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Matches 151 - 188 out of 188 < 1 2 3 4


Match Document Document Title
3867578 Adapter for automatic telephone answering devices permitting remote monitoring of recorded messages  
An adapter circuit for use with an automatic telephone answering and message recording machine. The adapter permits a subscriber equipped with a portable tone generator to playback and review...
3863029 TAPE POSITION INDICATOR MEANS FOR TELEPHONE ANSWERING APPARATUS  
An arrangement for visually observing the position of a tape on automatic telephone answering apparatus after the apparatus has been accessed with a remotely located control unit, by transmitting a...
3842209 TELEPHONE ANSWERING INSTRUMENT AND SYSTEM WITH REMOTE CONTROL  
An improved telephone answering instrument and system is provided which is contructed in one embodiment to be voice-operated so that the calling party may record a message of any length within the...
3825687 CODING MEANS FOR TELEPHONE ANSWERING DEVICE  
A coding device for energizing a desired article comprising a stepping member associated with manually movable switching members of a code selection portion of the coding device for determining a...
3798380 TELEPHONE APPARATUS  
In telephone apparatus there are provided a telephone set; terminal apparatus; means for receiving a push button dialing signal for selecting the telephone set; a response device having a recording...
3793487 SYSTEM FOR SCREENING TELEPHONE CALLS  
A system for screening telephone calls is described which intercepts an incoming ring signal to prevent disturbing the called party. The system produces an off-hook condition and responds with a...
3757049 TELEPHONE ANSWERING INSTRUMENT AND SYSTEM  
A telephone answering instrument and system is provided which is constructed so that the calling party may record a message of any length within the recording capabilities of the message tape of...
3730997 METHOD AND APPARATUS FOR REMOTELY MANIPULATING AN AUTOMATIC TELEPHONE ANSWERING DEVICE  
This is a device for remotely listening to a message of a calling party previously recorded in a telephone answering device in the owner's absence. This is accomplished by providing a first and...
3725589 REMOTE-CONTROL SYSTEM FOR INTELLIGENCE-RECORDING APPARATUS WITH CONTROL TONE ELIMINATING SWITCHING  
An interface between a telephone system and dictating equipment whereby control signals and intelligence are transmitted over the telephone system and to the dictating equipment to appropriately...
3718906 VENDING SYSTEM FOR REMOTELY ACCESSIBLE STORED INFORMATION  
A vending system includes a central station at which various information stored on master recordings can be selectively accessed by purchasers from any of multiple remote vending machines, the...
3715518 INTERRUPT NETWORK TO PROTECT A VOICE FREQUENCY SIGNAL DETECTOR FROM BEING TALKED-OFF BY OUTGOING SPEECH SIGNALS  
A station set which includes a two-way voice channel interconnects a telephone line and a voice recorder. The station set receiver detects incoming voice-frequency tone signals an, in response...
3684834 APPARATUS FOR REMOTELY CHANGING THE MESSAGE OF AN AUTOMATIC ANNOUNCING MACHINE  
An encoding device for the remote programming of announcing systems such as weather announcing systems includes circuitry for signalling a central location and altering the information to be...
3647985 TONE-ACTUATED DICTATION SYSTEMS WITH VOICE BUFFER OPTION  
The invention concerns dictation systems having facilities for selectively connecting remote stations to a central recording unit, and recognizing control tones generated at a connected remote...
3600517 DIAL PULSE DECODERS  
An automatic telephone answering and message recording device is described which permits remote control of the device by providing audible signals to instruct persons, familiar with the spacial...
3539829 TONE DETECTION CIRCUIT  
3527312 TONE ACTUATED DICTATION SYSTEMS  
3524936 AUTOMATIC TELEPHONE ANSWERING DEVICE HAVING REMOTE CONTROL AND CONFERENCE CALL CAPABILITY  
3524026 REMOTE DICTATION APPARATUS WITH AUTOMATIC CONTROL TONE ELIMINATION  
3511934 AUTOMATIC ANSWERING AND RECORDING APPARATUS HAVING REMOTE CONTROL DEVICE FOR ABSENCE TELEPHONE  
3511935 AUTOMATIC TELEPHONE ANSWERING DEVICE WITH A REMOTE CONTROL SYSTEM  
3508004 AUTOMATIC TELEPHONE ANSWERING APPARATUS WITH REMOTE PLAYBACK  
3499993 TELEPHONE ANSWERING DEVICE  
3449720 SIGNAL DURATION AND PULSE WIDTH RESPONSIVE CONTROL APPARATUS  
3443032 CONTROL SYSTEM USING CONTINUOUS TONE AND PULSED CODE SIGNALS  
3436483 RECORDED TELEPHONE DICTATION TRUNK CIRCUIT  
3337690 Automatic telephone answering and message recording machine having fixed cycle of operation and remote callback  
3310629 Telephone answering apparatus  
3293365 Telephone answering and recording apparatus with a single amplifier circuit  
3286033 Apparatus for magnetically recording and reproducing at a remote station over a telephone line  
3141931 Telephone answering equipment  
3136856 Remote function selector for automatic telephone answering device  
3133992 Automatic answering, recording and reproducing machine  
3067289 Integrating control timer  
3045069 Remote control system  
2979568 Remote impedance system apparatus for controlling dictating machines  
2949502 Telephone dictating system with in-phase control signals  
2946852 Automatic telephone answering and message-recording system  
2784254 System for telephone answering and recording and for message recording and reproducing  
Matches 151 - 188 out of 188 < 1 2 3 4