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| Number | Title | Issue Date |
| 7460188 | Solar-powered device comprising a solar cell arrangement and a liquid crystal display and method of making A solar-powered LCD device, e.g., for a clock, includes a solar cell arrangement and a liquid crystal display. The solar cell arrangement includes an at least partially transparent carrier and at least one solar cell provided with at least one at least partially tra... | 12/02/2008 |
| 6987708 | Emergency call transmitter incorporated in a wristwatch A wristwatch is converted into an emergency call device by unscrewing a rear cover from the back of the wristwatch housing and screwing in a transmitter housing that carries a signal-emitting mechanism. ... | 01/17/2006 |
| 6525995 | Method and apparatus for displaying local time on radio-controlled timepieces A radio-controlled timepiece is controlled by time telegrams emitted by a regional transmitter. When the timepiece is out of the effective range of the regional transmitter, the timepiece is controlled by a local (i.e., close-range) transmitter which tran... | 02/25/2003 |
| 6411569 | Antenna arrangement in radio-controlled wristwatch A radio-controlled wristwatch includes a casing. A central portion of the casing disposed generally centrally with reference to a longitudinal center axis of the casing is formed of metal at least on the exterior thereof. An antenna core is disposed withi... | 06/25/2002 |
| 6205091 | Method and apparatus for controlling a solar-powered radio-controlled timepiece when a storage element is inadequately charged In a solar-powered, radio-controlled timepiece an incorrect display can occur before the operating voltage definitively falls below the switch-off level if each pulse for the electromechanical transducer is no longer sufficient for advancing the display. ... | 03/20/2001 |
| 6134188 | Antenna for a radio-controlled wristwatch A radio-controlled wristwatch includes a casing, a printed circuit board disposed in the casing, and an antenna disposed in the casing. The antenna includes a core and a coil carried by the core. The core comprises a stack of soft-iron strips stacked in a... | 10/17/2000 |
| 5898644 | Radio-controlled timepiece movement and method of assembly A radio controlled timepiece movement includes a carrier structure and a wheel train mounted thereon. The wheel train includes a plurality of rotatable wheels each having a wheel aperture formed therein. The apertures are alignable with one another. A pri... | 04/27/1999 |
| 5742564 | Timepiece with switch operable by pressing the timepiece glass A timepiece, such as a wristwatch, includes a casing, a carrier disc disposed in the casing, a glass mounted elastically to the casing in front of the carrier disc, and control switches in the form of piezoelectric sensors each sandwiched between an outer... | 04/21/1998 |
| 5630329 | Wristwatch bracelet and process for the production thereof A wristwatch bracelet segment includes a core and decorative elements mounted thereon in longitudinally spaced relationship. The core comprises first and second flexible core elements. The first core element is elastically stretchable and includes longitu... | 05/20/1997 |
| 5430693 | Radio-controlled timepiece A radio-controlled timepiece comprises an antenna in the form of a core on which a coil is mounted. The core includes a hole spaced from the coil and defining an axis oriented perpendicular to the coil axis. A printed circuit board is disposed in the hole... | 07/04/1995 |
| 5408445 | Radio timepiece A radio timepiece is disclosed which receives and decodes a time information signal from a remote transmitter and displays a time information. The timepiece includes a manual time zone switching circuitry deigned to permit use of the timepiece in time zon... | 04/18/1995 |
| 5253226 | Radio-controlled timepiece with antenna coil A radio-controlled timepiece includes an antenna ferrite core which also serves as a base plate having recesses into which the thicker clockworks components, such as a hands mechanism are disposed. Thinner clockworks parts, such as strip conductors, circu... | 10/12/1993 |
| 5235563 | Autonomous radio timepiece An autonomous radio timepiece (11) with a magnetic antenna (14) located in the vicinity of a electromechanical transducer (25) for driving a time display (19), in order to obtain a radio timepiece with a small volume and operable in a compact manner. To a... | 08/10/1993 |
| 5231612 | Position detection and correction mechanism for a timepiece A radio-controlled timepiece contains a mechanism for the detection and correction of a hands setting. The mechanism includes a sender and a receiver for sending and receiving, respectively, a radiation beam. A hands setting mechanism includes an hour whe... | 07/27/1993 |
| 5177714 | Autonomous radio timepiece A autonomous radio timepiece (11), in particular in the form of a small travel clock or a wristwatch, is designed to operate for an extended period of time with a small battery, and to provide a reliable time display when traveling outside the reception r... | 01/05/1993 |
| 5168476 | Alarm clock A radio-controlled timepiece includes a clock face, a hands assembly mounted for rotation about an axis in front of the clock face, and an alarm setting mechanism. The alarm setting mechanism comprises a minute setting disk which is driven by an hour sett... | 12/01/1992 |
| 5159582 | Electromechanical alarm clock An electromechanical alarm clock (42) with a variable alarm indicator (48) on a 12 hour time display, for example, of a numerical face plate (44), is designed, without the need for extensive mechanical or electromechanical setting or switching means, to o... | 10/27/1992 |
| 5144599 | Autonomous radio-controlled timepiece An autonomous radio timepiece comprises a casing and a bracelet attached thereto. The casing includes an operating circuit, while the bracelet carries a flexible antenna. The antenna can be removed from the bracelet in the event that the bracelet is worn ... | 09/01/1992 |
| 5105396 | Autonomous radio timepiece An autonomous radio timepiece (1), in particular small, portable timepiece such as a travel alarm clock or a wrist watch includes a display (25) of the prevailing radio field intensity. The display (25) is capable of simultaneously signaling the actuation... | 04/14/1992 |
| 5077706 | Autonomous radio timepiece capable of automatic correction regardless of time zone changes An autonomous radio timepiece is provided which will furnish a usable time display even when it is outside the time zone of the sender or if the timepiece is to be actuated, when it is not possible at a given point in time to receive valid time telegrams.... | 12/31/1991 |
| 5036500 | Autonomous radio time piece having a resettable receiver actuation switch An autonomous radio timepiece with a receiver for receiving time telegram information to be decoded and a reset switch for the restarting the reception, decoding and display functions. The timepiece is structured so that manual actuation is still be possi... | 07/30/1991 |
| 4947179 | Antenna for a radio controlled timepiece A magnetic antenna for a radio receiver such as a radio timepiece can be installed under restricted spacial conditions in a small housing or used as an antenna for a radio wristwatch. The antenna includes a core extending through a coil. The core is made ... | 08/07/1990 |
| 4860268 | Autonomous radio timepiece An autonomous radio timepiece having a time equalizing processor to control and potentially correct the instantaneous time indication on the basis of the prevailing time information received by radio transmission, is equipped with an improved device for t... | 08/22/1989 |
| 4803544 | Prefabricated strip conductor network assembly unit and process for making same A strip conductor assembly is prefabricated so as to be able to be mounted as a unit into a circuit board of an electro-mechanical clock movement without thereafter requiring further fabrication. The assembly is formed by attaching a circuit chip to a str... | 02/07/1989 |
| 4791621 | Solar cell powered clock having a decorative pendulum A solar powered electric clock of the type configured as a traditional 400-day clock with a torsional pendulum includes a housing in which the clockworks, dial face and hands are disposed. The housing is supported over a base by means of vertical columns.... | 12/13/1988 |
| 4714352 | Electronic device powered by solar cells A small electric device powered by solar cells and by a capacitive charge storage element has stable actuation assured during startup with an as yet uncharged capacitor. Startup problems are avoided by control of the power supply with a threshold value ci... | 12/22/1987 |
| 4666313 | Timepiece and drive unit therefor A solar timepiece comprises a drive unit including a commercially available battery clock mechanism mounted to the back of a support plate for the solar cells. The clock mechanism includes hands arbors which pass through an opening in the support plate. T... | 05/19/1987 |
| 4650344 | Radio controlled timepiece A radio controlled timepiece includes a radio receiver for demodulating a transmitted signal on which time and date information has been encoded. A pulse sequence is derived from the transmitted radio signal which is used to drive the stepping motor which... | 03/17/1987 |
| 4645357 | Electroptical detector for determining the position of the time display mechanism of a timepiece A timepiece receives an externally transmitted radio signal corresponding to an accurate time of day. Disposed within the timepiece is a detecting mechanism for detecting the time of day being displayed by the timepiece. The signals are compared to determ... | 02/24/1987 |
