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CobaltIP-faceted-search-demo
Match Document Document Title
8145244 System and method for determining base unit position of a cordless handset  
A method and system are presented for sensing a physical position of a cordless handset with respect to a base unit. A dataset of measured line currents may be initialized. A line extension may...
7864035 System and method for determining whether a cordless handset is at a base unit  
A phone, method, and system are presented for determining whether a cordless handset is positioned on a base unit of a cordless telephone. An on-base unit signal may be generated in response to a...
RE41702 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...
7636429 Providing call backup of voice over internet protocol (VoIP) terminal  
In providing call backup of a VoIP terminal, where the VoIP terminal connected to a VoIP network is automatically provided with a PSTN backup function, the on the hook state is deferred for a...
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...
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...
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...
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)....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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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