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7567667 |
Inmate telephones having inmate-movable telephone bodies
An inmate telephone for use by inmates of a prison or a mental institution comprises a housing having an opening and a telephone body supported within the housing. The telephone body supports an...
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7433715 |
Mobile station for telecommunications system
A mobile telecommunications system has a handset and a headset for connection to the handset. The handset includes an RF transceiver for transmitting an outgoing call and receiving an incoming...
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7212842 |
Portable electronic apparatus
Portable electronic apparatus is disclosed having a sensor for sensing the portable electronic apparatus coupled in intimate proximity to a rest. The rest may be a desk top, car instrument panel...
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6980645 |
Low-pass filtering device with integrated insulator and private installation comprising same
A filtering device for a narrow-band terminal in a private installation connected to an access network carrying narrow-band services (analogue or ISDN) and broad-band services (xDSL or HomePNA)....
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6940968 |
Telephone terminal apparatus and method
A telephone apparatus comprises a first audio input device, a second audio input device, a first audio output device, and a second audio output device. The telephone apparatus is operative to...
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6735453 |
Automatic headset hookswitch
A headset storage device includes a headset cradle, a switch and a manual override device. The headset cradle has two positions: a first position when the headset cradle is supporting a headset and...
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6704416 |
Hook switch status glitch filter
A line card circuit using a pair of comparators such that the output of the first comparator is coupled to an input of the second comparator through an RC circuit. The RC circuit is tuned such that...
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6678374 |
Tone based answer detection for IP based telephones
Activating a switch by a handset where the switch is manually activated when the user wishes to answer an incoming call. While the switch is in the deactivated state, the handset transmits to a...
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6650751 |
Answer detection for IP based telephones using passive detection
Deactivating a switch in a handset when a user wishes to answer an incoming call or terminate a call. A sound card within a personal computer transmits a hook tone that is above the human hearing...
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6647248 |
Cradle
A cradle that secures a removable device, a body, two side surfaces and two face surface are provided on one face surface, and a movable hook is provided on the other face surface. At least one of...
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6310955 |
Methods and apparatus for enabling portable telephone handset to automatically go off-hook
A system for setting a wireless handset to an offhook condition when the handset is moved during the presence of a specified condition, such as an incoming call. A signal is sent to the handset to...
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6289100 |
Communications station having hall effect device for controlling hookswitch operations
A communications station for use in a distributed audio system having two Hall-effect integrated circuits mounted on a printed circuit hook switch board, the hook switch board mounted within a...
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6212276 |
Hanging latch hook mechanism for telephones
An apparatus sets a telephone to an on-hook state. The telephone has a base with at least one cavity forming a cradle for a handset The telephone also has a handset with an operative surface...
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6192231 |
Telephone apparatus
A telephone apparatus connects to a telecommunications network via an exchange line. It has signal recognition for detecting and recognizing calling line identity (CLI) and called number identity...
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6091812 |
Apparatus and method for automatically switching a headset between a telephone and a second audio source
An apparatus and method are disclosed for connecting a headset alternately to a telephone line and an audio device. The apparatus includes an audio connector for connecting the apparatus to the...
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6052573 |
Fixed subscriber unit of wireless local loop system
An off-hook/on-hook signal discriminating means 5a is provided in a control portion 5 of the FSU in order to make discrimination between a pulse dial signal and a hooking signal. When a telephone...
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6041119 |
Handset detection device for use in telephones
A handset detection device for use in telephones comprises a movable member 2, a circuit board 4, a detector 5, and a cushioning member 3. The movable member 2 has a concave portion 28 on a contact...
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6009166 |
Nitinol hookswitch actuator
A hookswitch actuator including an activating mechanism which maintains the hookswitch circuit of a telephone in an "on hook" state when the activating mechanism is in a first position, or in an...
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5887058 |
Digit parsing for a flexible dial plan capability in a telecommunications switch
A telecommunications switch (12) includes a dial plan database (300) used for creating, identifying, and verifying dial plan codes and dialing sequences of a desire dial plan (100). The dial plan...
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5835585 |
Telephone on-hook and off-hook sensing systems
Hook conditions of a handset of a telephone apparatus which includes a telephone apparatus base having an inside and an outside are sensed by providing a beam of radiation outside of that telephone...
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5778061 |
Switching device for a telephone set with handset, switching an auxiliary device by substituting for the handset
The invention concerns a switching device for a telephone set having a handset enabling an auxiliary device to be substituted for the handset. In an embodiment, the switching device includes a...
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5724667 |
Portable telephone having removable transducer
A portable telephone includes a main body of the telephone, a transducer (preferably an earphone) contained in the main body so that it can be removed therefrom, a cord connecting the transducer...
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5592529 |
Telephone inadvertent off-hook condition detector
An inadvertent-off-hook-condition detecting apparatus for use with a telephone connected to a telephone system is described. The telephone has a hookswitch which connects the voice network of the...
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5391928 |
Switching circuit having a reduced output impedance
In a switching circuit for use in a mobile telephone device in controllably transmitting a speech signal to a radio transmission unit through an output terminal (312), a first switch (31) is...
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5337353 |
Capacitive proximity sensors
Capacitive proximity sensors are disclosed that can be fabricated in different shapes, sizes and materials used in a wide variety of applications. Each such sensor includes a sensing electrode and...
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5283546 |
Vandal-resistant call box
A call box (201) provides vandal-resistant operation by using a concealed magnetic switch and magnet (179) and specially locked compartments (101 and 103) in a heavy duty structure. The concealed...
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5228075 |
Telephone capable of selectively accepting callers and enabling partial recognition of callers
A telephone set capable of selectively accepting callers and enabling partial recognitions of callers is disclosed, and the telephone set includes: tip and ring terminals; a first analogue switch...
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RE34200 |
Coin fraud preventing unit and modular configurations for pay telephone stations
A pay telephone station having a lower housing coin chute (14) which is provided with a coin fraud prevention unit (10) in the form of a thin base (15) arranged in a slot (11) of a coin channel...
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5168982 |
Switch device
The invention relates to a switch device which is suitable for use, for example, in a telephone to detect the presence of the handset (11) in the cradle (9). The switch device comprises a frame...
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5159628 |
Hook-off detection device for a telephone handset
A device for detecting the hooking off of a telephone handset from a telephone set body, comprises an elongated part (8) provided with hinges (11) rotating around a longitudinal axis (10); a key...
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5086452 |
Radio telephone system and its control method
A mobile unit is normally disposed in a predetermined positional relationship with a base unit connected to a wired line. For example, the mobile unit is mounted on the mobile-unit receiving part...
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5050209 |
Telephone set
A telephone set having a telephone set body and a handset unit which incorporate therein a speaker amplifier and a speaker, respectively, and a coil cord interconnecting the speaker amplifier and...
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5033083 |
Telephone line switch apparatus
A telephone line switch actuating mechanism includes two identical parts, each having a portion which makes up a plunger, while the remaining portion is pivotally mounted for enabling the two parts...
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5007079 |
Coin fraud prevention unit and modular configurations for pay telephone stations
A pay telephone station having a lower housing coin chute (14) which is provided with a coin fraud prevention unit (10) in the form of a thin base (15) arranged in a slot (11) of a coin channel...
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4942605 |
Security handset
A security device for use with a telephone handset having a microphone and an ear transducer is disclosed. It is adapted to prevent eavesdropping while the handset is in an on-hook position. The...
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4922529 |
Automatic hangup apparatus for restoring service to off-hook telephones
The hangup apparatus uses an inadvertent off-hook detector circuit designed to detect the off-hook "howler" alert signal transmitted to a telephone by the telephone company when the telephone has...
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4893337 |
Circuit arrangement for a digital telephone station
A circuit arrangement is provided for digital telephone stations in a digital private branch exchange, whereby control information are constantly exchanged via a subscriber line. The telephone...
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4887295 |
Telephone instrument
Telephone instruments generally comprise a mechanical hookswitch connected across the pair of speech wires. This specification discloses solid state hookswitch circuitry comprising a switching...
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4847900 |
Infrared hookswitch for a telephone
An optical hookswitch assembly useable on a telephone set as an optical communications port is disclosed. The hookswitch assembly is comprised of light emitting and detecting diodes so disposed in...
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4845738 |
Hands-free type automobile telephone and general-purpose telephone
The automobile telephone is used in a hands-free condition by coupling its handset with a cradle-shaped coupler which is provided with a pair of swingable support plates for receiving a transmitter...
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4803723 |
Telephone
A telephone instrument has a rectangular recess (3) along one side of the body which receives the handset. The handset has a recess which fits over a locating member (2) when on-hook. The hook...
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4790008 |
Telephone line switch apparatus
A telephone stand has a housing with a cradle in its top for a handset adapted when placed in the cradle to depress a pair of laterally spaced plungers passing through holes in the housing down...
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4771453 |
Telephone subscriber station comprising an actuating device which actuates a cradle switch
An actuating member for a cradle switch comprises free ends with oblong holes for receiving male members mounted within the housing of a telephone set to define a pivot axis. A web having a recess...
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4756021 |
Telephone set
A telephone set which has a hands-free mode of operation is disclosed. The telephone set includes a telephone circuit connector to a handset and a hands-free circuit connected to a loudspeaker. A...
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4747134 |
Pay telephone hook switch assembly
A telephone hook switch assembly has a housing which defines first and second cavities and a shaft rotatably mounted in the housing. A hook switch lever is mounted on the shaft and is rotatable...
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4741034 |
Receptacle for telephone handset
A telephone receiving apparatus (100) rigidly retains a telephone handset (200) without the need for a release lever. In the preferred embodiment, a moveable boss (108) and a rigid boss (106)...
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4710596 |
Telephone unit adapted for vertical and horizontal mounting
A telephone unit is adapted for mounting in either a vertical or a horizontal mode. In the vertical mode, the telephone cradle includes an upwardly extending hook member which projects into the...
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4709389 |
Telephone hook switch with elastomeric contact member
A telephone hook switch uses an elastomeric member as the contact making member. A hook switch has a pivotally mounted actuating member having two levers extending in opposite directions, one on...
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4696033 |
One-piece telephone hook switch operating mechanism
A switch operating mechanism for use in a telephone instrument (for example, for operating a hook switch) has two arms (4 and 5) for projection from--and independent displacement with respect...
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4692940 |
Telephone hook switch
A telephone hook switch arrangement includes a base assembly (1) and a T-shaped hook switch lever 3, which is substantially T-shaped. One end of the cross-piece of the T is pivoted to a...
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