Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 1 - Substation equipment, e.g. for use by subscribers
Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223)
10/1989
10/31/1989US4878217 Data outputting device
10/25/1989EP0338075A1 Talking device
10/24/1989US4876714 Telephone set
10/24/1989US4876713 Signal circuit protector device for consumer use
10/24/1989US4876712 Programmable telephone amplifier circuit interface
10/24/1989US4876709 Antenna for cordless telephone system
10/24/1989US4876708 Cordless telephone system
10/24/1989US4875881 Communication box assembly
10/24/1989US4875872 Telephone connector
10/24/1989CA1262488A1 Telephone handset with integrated flux coil
10/19/1989WO1989010034A1 Improved clip for telephone
10/19/1989WO1989010015A1 Communication box assembly
10/17/1989US4875234 Telephone
10/17/1989US4875233 Headset construction and method of making same
10/17/1989US4875231 Radio telephone system
10/17/1989US4875230 Cellular telephone unit having multiple memory location command language
10/17/1989US4875229 Vehicle telephone with call answering and recording means
10/17/1989US4874912 Hook switch
10/11/1989EP0336860A1 Electroacoustic unit with coil attached
10/11/1989EP0336104A2 Electronic device for storing and displaying information
10/10/1989US4873720 Automatic dialer
10/10/1989US4873719 Enhanced calling number delivery service system
10/10/1989US4873714 Speech recognition system with an accurate recognition function
10/10/1989US4873713 Automatic telephone answering apparatus and method
10/10/1989US4873712 Telephone controlled interrupter circuit
10/05/1989WO1989009524A1 Improvements relating to telephone handsets
10/05/1989WO1989009414A1 Apparatus and method for mapping the connectivity of communications systems with multiple communications paths
10/05/1989DE3808414A1 Telephone handset with visual display device
10/04/1989EP0335742A2 Mobile communication system and its control method
10/03/1989US4872198 Transient signal elimination circuit for telecommunications applications
10/03/1989US4872196 Telephone keypad input technique
10/03/1989US4870840 Modular communications jack lock
10/03/1989CA1262194A1 Sub-assembly for electrical apparatus and electrical apparatus including such a sub-assembly
10/03/1989CA1262176A1 Multi-purpose modular jack connecting block
09/1989
09/28/1989DE3809012A1 Method for controlling volume in a telephone station
09/28/1989DE3808329A1 Telephone set
09/28/1989DE3808038A1 Method for the automatic matching of a speech recognition system
09/27/1989EP0334305A2 Wall or desk mounted telephone
09/27/1989CN2045166U Automatic telephone extension switching apparatus
09/27/1989CN2045165U Explosion-proof intercom
09/27/1989CN2045164U Cut off type insertion safety device for telephone main distribution frame
09/26/1989US4870696 Mobile communications system capable of avoiding interference with control channel
09/26/1989US4870686 Method for entering digit sequences by voice command
09/26/1989US4870680 Communication apparatus having a communication hold function
09/26/1989US4870679 Repertory telephone dialer with remote billing capability
09/26/1989US4870677 Data/facsimile telephone subset apparatus incorporating electrophoretic displays
09/26/1989US4870676 Vehicle sun visor telephone
09/26/1989US4870675 Remote testing of metallic loops with a trans hybrid signal
09/26/1989CA1261441A1 Programmable subscriber set
09/26/1989CA1261088A1 Clamp mechanism of an electronic apparatus
09/26/1989CA1261087A1 Device for establishing a connection between a telecommunication network and a controllable system, such as a computer system, provided with an access control unit controllablevia a separate network terminal
09/26/1989CA1261014A1 Rotary electrical connector apparatus
09/26/1989CA1260069A1 Radio telephone system control apparatus and method
09/26/1989CA1260068A1 Radiotelephone system, namely for automotive vehicles
09/20/1989EP0333330A1 Information distribution system
09/20/1989EP0333173A2 Image data transmission apparatus
09/20/1989EP0332904A2 Car telephone
09/19/1989US4868876 Electrostatic discharge protection device
09/19/1989US4868875 Telephone housing section assembled from a plurality of identical subsections
09/19/1989US4868862 Automobile telephone unit
09/19/1989US4868858 Keypad/dialler interface for telephone test set
09/19/1989US4868849 Telephone card and telephone card-operated telephone
09/19/1989US4868848 Computer operated system for dialing telephone numbers
09/19/1989US4868847 Telephone intercom device
09/19/1989US4868846 Method for locking to the user's card in a portable radio telephone
09/19/1989CA1259720A1 Cordless telephone system
09/14/1989DE3807007A1 Method for directly setting up telecommunications connections, in particular telephone connections, on workstations or answering stations of multi-user dealing room systems
09/14/1989DE3807006A1 Method for identifying the call type of external lines connected to multi-user dealing room systems
09/13/1989EP0331949A2 Battery-fed code emitter for remote control or remote interrogation of an answering device
09/13/1989CN2044396U Non-contact under-well filling communication device
09/13/1989CN1035598A Modular microphone assembly
09/12/1989US4866765 Toy type children telephone set
09/12/1989US4866764 Telephone
09/12/1989US4866762 Apparatus for restricting telephone calls
09/12/1989US4866758 Phone management server for use with a personal computer LAN
09/12/1989US4866757 Combined telephone and power distribution system
09/12/1989US4866755 Multiple language telephone answering machine
09/12/1989US4866754 Automatic telephone answering machine utilizing voice synthesis
09/12/1989US4866753 Telephone installation having a radio link
09/12/1989US4865564 Wall mounted connecting block
09/12/1989CA1259433A1 Pushbutton keyboard assembly
09/06/1989EP0331531A2 Telephone apparatus and a method of controlling same
09/06/1989EP0331194A2 Radio telephone
09/06/1989EP0330856A2 Telephone answering machine in paging systems with automatic number indentification based message operations
09/05/1989US4864623 Method of recognizing a control command in a system, and interactive system for carrying out the method
09/05/1989US4864622 Voice recognizing telephone
09/05/1989US4864611 Telephone handset attachment for use in-the-ear hearing aids
09/05/1989US4864610 Earpiece for a telephone headset
09/05/1989US4864607 Animated annunciator apparatus
09/05/1989US4864606 Terminal apparatus with a handset using a four pin connector
09/05/1989US4864604 Electronic wristwatch having dialing tone generator
09/05/1989US4864602 PABX-connected facsimile machine
09/05/1989US4864601 Integrated voice data workstation
09/05/1989US4864599 Registration of a new cordless telephone to an existing system
09/05/1989US4864301 Variable speed transmission recording and retrieval of data
09/05/1989CA1259146A1 Dial tone detector
09/05/1989CA1259121A1 Signal detection and discrimination using waveform peak factor
08/1989
08/31/1989DE3805113A1 Socket arrangement for telecommunications cable
08/30/1989EP0330441A2 Interface to and operation of a voice messaging system
08/30/1989EP0330384A2 Hands-free telephone
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