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)
04/1995
04/18/1995US5406702 Method for sealing an electrical socket and plug assembly
04/18/1995CA2045360C Signal detecting device
04/18/1995CA2034898C Receiver
04/13/1995WO1995010154A1 Method and apparatus for frequency synthesization in digital cordless telephones
04/13/1995WO1995010153A1 Method and apparatus for maximizing the battery life in cordless telephones
04/13/1995WO1995010130A1 Retractable plug point apparatus
04/13/1995WO1995008235A3 Dial tone annunciating system and method
04/13/1995DE4436175A1 Method and system for accessing a computer via a telephone handset
04/13/1995DE4408972C1 Door station using a DECT mobile unit
04/13/1995DE4334288A1 Device to protect against unintentional failure to switch off an on/off switch in telephone sets
04/12/1995EP0647972A1 Structure for holding a battery pack on an electronic apparatus
04/12/1995EP0647375A1 Method and apparatus for objective speech quality measurements of telecommunication equipment
04/12/1995CN2194572Y Intelligent telephone sound automatic calling device
04/12/1995CN2194571Y Convenient telephone receiver
04/12/1995CN2194570Y Illegal use proof device for telephone line
04/12/1995CN1101473A Carbon microphone interface for a modem
04/11/1995US5406622 Outbound noise cancellation for telephonic handset
04/11/1995US5406619 Universal authentication device for use over telephone lines
04/11/1995US5406618 Voice activated, handsfree telephone answering device
04/11/1995US5406617 Cordless telephone/entry intercom system
04/11/1995US5406564 Communication line backup system
04/11/1995US5406307 Data processing apparatus having simplified icon display
04/11/1995US5406161 Piezoelectric composite receiver
04/11/1995US5406027 Mounting structure and electronic device employing the same
04/11/1995CA2049005C Key telephone apparatus
04/11/1995CA2045801C Method and apparatus for remotely programming a mobile data telephone set
04/11/1995CA2045800C Method and apparatus for remotely programming a wireless telephone set
04/11/1995CA2043526C Radio telecommunication apparatus having an operation disabling system
04/06/1995DE4404264C1 Circuit arrangement for complex line termination of a two-wire line in a communications device
04/06/1995DE4334692A1 Cover and receptacle device for visual display means
04/06/1995DE4333398A1 Method for a computer-controlled switching system to determine a device connection number
04/06/1995DE4333272A1 Communications system
04/06/1995CA2133635A1 Electrical connector having reduced cross-talk
04/05/1995EP0647075A2 System and method for identifying the incoming directory number when multiple directory numbers are assigned to one wireless device
04/05/1995EP0647048A1 Telephone line interface for a base/portable terminal assembly
04/05/1995EP0647037A1 Portable radio apparatus with a folding structure
04/05/1995EP0646303A1 Improved telecommunication display system
04/05/1995CN2194053Y Multi-face pushing telephone set
04/05/1995CN2194052Y Monitor for preventing theft of telephone line
04/05/1995CN1101203A Anti-noise earphone
04/05/1995CN1101193A An automatic pager calling device and method for its use
04/05/1995CN1101192A Control circuit for the peripheral equipment of radio talking device
04/05/1995CN1101191A Intelligent communication quick-dividing multi-transmission technology
04/05/1995CN1101187A Method for channel utilization in extended spectrum communication systems
04/05/1995CN1101183A A radio telephone for a vehicle
04/05/1995CN1028140C Fastener for housing assembly
04/04/1995US5404582 Aural annunciator circuit for a receiver
04/04/1995US5404580 Radio having memory means for storing radio user validation code
04/04/1995US5404579 Dual mode mobile radio communication apparatus with function for transmitting remote control data
04/04/1995US5404578 Radio telephone in which an off operation of an operator-actuated power switch is inhibited during a talk mode
04/04/1995US5404491 Subscriber module for connection to a plurality of subscriber terminals and to an integrated services digital communication network (ISDN)
04/04/1995US5404401 Alarm and test system for a digital added main line
04/04/1995US5404399 Telephone visual signaling device
04/04/1995US5404390 Portable telephone set
04/04/1995US5404388 Digital measurement of amplitude and phase of a sinusoidal signal and detection of load coil based on said measurement
03/1995
03/30/1995WO1995008849A1 Battery pack retention apparatus
03/29/1995EP0645921A1 Cordless telephone device
03/29/1995EP0645728A2 Remote controller and telephone incorporating bar code reading facilities
03/29/1995EP0645030A1 Portable data processor which selectively activates and deactivates internal modular units and application processor to conserve power
03/29/1995CN2193628Y Rotary joint for telephone transmitter
03/29/1995CN1100862A Talk connector for master telephone set and extension sets
03/29/1995CN1100591A Method for prodn. of disinfectant for telephone set
03/28/1995US5402518 Sound storage and sound retrieval system having peripheral with hand operable switches
03/28/1995US5402487 Telephone housing mounting plate
03/28/1995US5402486 Earring compatible telephone handset receiver
03/28/1995US5402483 Digital telephone system with terminals connected to a digital exchange unit providing all functions of the terminals
03/28/1995US5402481 Abbreviated and enhanced dialing apparatus and methods particularly adapted cellular or other types of telephone systems
03/28/1995US5402477 System and method for configuring a telephone
03/28/1995US5402468 Telephone answering device with standardized internal bus
03/28/1995US5402465 Telephone trouble isolator
03/28/1995US5402448 Burst mode receiver control
03/28/1995US5402017 Controllable circuit configuration for compensating fluctuations in an amplifier
03/28/1995CA2050430C Foldable portable telephone
03/28/1995CA2042786C Speakerphone state-controlled alerting arrangement
03/28/1995CA2042305C Dialing system for automatically setting an abbreviated code
03/28/1995CA2007837C Method and apparatus for altering the access format of telephone calls
03/23/1995WO1995008235A2 Dial tone annunciating system and method
03/22/1995EP0644607A1 Mobile communication terminal having deployable antenna
03/22/1995EP0640262A4 Unidirectional ear microphone and method.
03/22/1995EP0609422A4 Portable to portable communications in a cordless telephone system.
03/22/1995CN2192993Y Leaving message recorder of telephone
03/22/1995CN2192991Y Telephone with automatic sterilized using ultraviolet ray for phone transmitter
03/22/1995CN2192990Y Siren for telephone line stealed
03/22/1995CA2106644A1 Silent extension-telephone call pickup device (or "silent phone pickup device")
03/21/1995US5400398 Electronic telephone set with low power hook switch
03/21/1995US5400393 Voice mail digital telephone answering device
03/21/1995US5400388 Circuit and method for operating a radio telephone upon loss of AC power
03/21/1995US5400320 Digital communication apparatus having an error detecting section
03/21/1995CA2042068C Telephone dialler with fast access telephone directory and "call back" feature
03/16/1995WO1995007597A1 Mobile radiotelephone set with handsfree device
03/16/1995WO1995007588A1 Detection system for component identifiers in a telecommunication system
03/16/1995DE4330757A1 Method and arrangement for implementing terminal functions by means of a personal computer connected to a communications system
03/16/1995CA2171432A1 Detection system for component identifiers in a telecommunication system
03/15/1995EP0643544A1 Hand-held radio telephone
03/15/1995EP0643518A1 Telephone set with a touch-sensitive and detachable control/display panel
03/15/1995EP0584299A4 Improved audio distribution system.
03/15/1995CN2192107Y Automatic dial device for telephone
03/15/1995CN2192106Y Telephone with sterilizer
03/14/1995US5398282 Automatic sidetone selector
03/14/1995US5398281 Telephone with hands-free operation
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