Patents
Sitemap › G04 - Horology › G04G - Electronic time-pieces › G04G 13 - Producing acoustic time signals
Patents for G04G 13 - Producing acoustic time signals (1,738)
01/1984
01/17/1984US4426157 Clock alarm control system employing a push button alarm-deactivation switch which must be held depressed for a time period
01/10/1984US4424967 Timepiece apparatus having game function
01/03/1984US4423966 Alarm control system for alarm clock
12/1983
12/20/1983US4421422 Electronic timepiece with variable melody alarm faculties
12/20/1983US4421416 Speech synthesizer timepiece with a single command switch
12/06/1983US4419019 Analog display type electronic timepiece
11/1983
11/15/1983US4415273 Microprocessor driven digital display alarm clock
10/1983
10/25/1983US4412099 Sound synthesizing apparatus
10/12/1983EP0090840A1 A watch
10/12/1983EP0020539B1 Timer and alarm apparatus
10/11/1983US4408899 Electronic clock striking mechanism
10/04/1983US4408096 Sound or voice responsive timepiece
09/1983
09/27/1983US4406549 Electronic timepiece with alarm and voice announcement function
09/20/1983US4405241 Electronic device having timepiece function
08/1983
08/16/1983US4398834 Electronic watch with demonstration display mode
08/09/1983US4397562 Digital-analog converter circuit for speech-synthesizing electronic timepiece
08/02/1983US4396294 Correction system for electronic timepiece with both analog and digital displays
07/1983
07/26/1983US4395135 Optional alarm and battery backup system for a talking timepiece
07/12/1983US4392747 Display device structure
07/05/1983US4391530 Electronic timepiece
06/1983
06/21/1983US4389123 Electronic alarm watch
06/21/1983US4389121 Speech synthesizer timepiece with alarm function
06/15/1983EP0081165A2 Time set apparatus for an electronic clock
06/14/1983US4388000 Electronic apparatus having a musical alarm function and a display
06/07/1983US4386856 Miniature electronic device having time informing sound generating function
05/1983
05/31/1983US4386423 Electronic timepiece having multi-functions
05/24/1983US4385291 Electronic diary watch
05/24/1983US4384790 Alarm device for electronic watches
04/1983
04/28/1983WO1983001519A1 A watch
04/19/1983US4380185 Talking metronome
04/12/1983US4379641 Multi-alarm electronic watch
04/12/1983US4379640 Timepieces having a device of requesting and reciting time settings in the form of audible sounds
03/1983
03/22/1983US4377345 Alarm signaling circuit for timepiece
03/15/1983US4376995 Timekeeping device
03/15/1983US4376993 Electronic watch with sequential readout and control
03/15/1983US4376992 Electronic wristwatch with alarm function
03/15/1983US4376874 Real time speech compaction/relay with silence detection
02/1983
02/22/1983US4374624 Sound emitting device for electronic timepiece
02/15/1983US4373821 Electronic timepiece generating different alarm sounds for respective different regions
02/08/1983CA1140768A1 Timer and alarm apparatus
01/1983
01/25/1983US4370069 Electronic alarm timepiece
01/25/1983US4370067 Electronic timepiece with gain/loss adjustment
01/18/1983US4368989 Electronic timepiece having a system for audible generation of a melody
01/18/1983US4368988 Electronic timepiece having recording function
01/04/1983US4367426 Oxides of lead, lanthanum, zirconium and titanium
12/1982
12/07/1982US4362400 Timepiece with alarm function including annular diaphragm to accommodate battery
11/1982
11/30/1982US4361408 Timer and alarm apparatus
11/09/1982US4358840 Analogue alarm electronic timepiece
11/09/1982US4358838 Electronic timepiece with a time striking device
11/02/1982US4357692 Bell-striking clock
09/1982
09/28/1982US4352171 Clock alarm-deactivating system
09/28/1982US4352169 Electronic timepiece
09/21/1982US4351041 Acoustic alarm device for watches
08/1982
08/10/1982US4344161 Electronic timepiece
08/03/1982US4343043 Radio having a crescendo audio alarm
07/1982
07/06/1982US4338680 Electronic timepiece
06/1982
06/29/1982US4337529 Pace timing device
06/08/1982US4334298 Wireless speech-synthesizer timepiece
06/08/1982US4334280 System and method for providing an audible sound and a tactile feedback in an electronic data processing system
04/1982
04/28/1982EP0050350A2 Process for comparing the actual time with the contents of a register in an alarm timepiece, circuit therefor and utilisation of said circuit
04/06/1982US4323995 Chime unit for electric clock and mechanical clock
04/06/1982US4323767 Repeatedly operable timer
03/1982
03/30/1982US4322830 Electronic timepiece having an alarm unit
03/23/1982US4321699 Wrist watch with alarm
03/16/1982US4320479 Analogue electronic timepiece with an alarm device
03/02/1982CA1119024A1 Chime tone audio system utilizing a piezoelectric transducer
02/1982
02/16/1982US4316273 Remote-controlled alarm clock
01/1982
01/26/1982US4313064 Integrated circuit detecting the characteristic of an external system
01/19/1982US4312057 Electronic timepiece providing audible and visible time indications
01/12/1982CA1116243A1 Solid state alarm for clock-radio
12/1981
12/22/1981US4307460 Electronic digital alarm clock
12/09/1981EP0041245A1 Electronic time piece including an electro-acoustic transducer
12/01/1981US4303997 Analog alarm timepiece
11/1981
11/24/1981US4302829 Electronic timepiece
11/24/1981US4302828 Electronic timepiece
11/17/1981US4301524 Programmable alarm clock
10/1981
10/06/1981US4293940 Time sound generating device
10/06/1981US4293939 Electronic timepiece having an alarm system
09/1981
09/29/1981US4292680 Electronic timepiece
09/01/1981US4287584 Speech-synthesizer timepiece
08/1981
08/04/1981US4282595 Method for digital frequency trimming an oscillator in an electronic timepiece
08/04/1981US4282593 Electronic clock circuitry for a clock having chimes or an alarm
08/04/1981US4282513 Process and arrangement for the electronic control of the input pulses of a manually rotatable pulse generator into an electronic counter
07/1981
07/21/1981US4280210 Electronic alarm timepiece
07/21/1981US4280209 Electronic alarm clock
07/14/1981US4279030 Speech-synthesizer timepiece
07/14/1981US4279029 Electronic timepiece
07/14/1981CA1105146A1 Time data processing apparatus
07/07/1981US4277840 Electronic timepiece
06/1981
06/16/1981US4274151 Electronic watch having an alarm function and a global time display function
06/09/1981US4272836 Alarm timepiece
06/02/1981US4271495 Electronic clock with a chime system
05/1981
05/27/1981EP0029050A1 Digital display clock.
05/26/1981US4270200 Timed chime system
05/26/1981US4270194 Electronic alarm timepiece
05/26/1981US4269025 Electronic alarm timepiece with presettable alarm time memory
05/12/1981US4267589 Electronic watches
05/12/1981US4267586 Electrophonic musical instrument
05/06/1981EP0027971A1 Clock with striking bell
04/1981
04/21/1981US4262842 Hot water timer
1 ... 6 7 8 9 10 11 12 13 14 15 16 17 18