Class 368/96 - With alternately operating indicators (e.g., chess clock)

Subclass of Class 368 - Horology: time measuring systems or devices
Definition: Subject matter comprising a plurality of time indicators
No. of patents: 23
Last issue date: 05/31/2011

Number	Title	Issue Date
7950845	Time keeping system for turn-based games We present a time keeping system for turn-based games which accepts time controls used in fast games but allows the game to be played in a correspondence manner similar to slow games. This gives players the enjoyment of playing fast games with time pressure but at a...	05/31/2011
7887232	Minimum-speed game timer A game timer, especially suited in one embodiment as a chess clock, including means for direct input of minimum average playing speed in moves per unit time as well as input of the required number of moves in one or more time control sequences. Direct input means th...	02/15/2011
7379394	System and method for modifying button functionality An electronic device comprising a first pusher located in a first position on the electronic device, wherein actuation of the first pusher causes initiation of a first operational sequence; a second pusher located in a second position on the electronic device, where...	05/27/2008
7157880	Battery monitoring system A battery monitoring system including a first device powered by a first battery, a second device powered by a second battery and operated in conjunction with the first device, a first information generating portion that generates a first information indicating the s...	01/02/2007
6975561	Chronograph mechanism Chronograph mechanism including first (20, 22) and second (21, 23) measured time counters and control means (24) arranged so as to start to stop one or other of the counters and a switching device (25) arranged such that the actuation the...	12/13/2005
6299345	Remote pager for chess competition Providing a chess player with a pager so that the chess player can leave the chess board and still be notified when it is time for the chess player to make his move. A conventional chess timer has a switch to indicate when an opponent has made a move. The...	10/09/2001
5796680	Chess clock A chess clock is disclosed in which clock pulses derived from a single source are switched alternately and mutually exclusively between two clocks, designated white's clock and black's clock. The mechanism for switching the clock pulses to and from each c...	08/18/1998
5420830	Chess clock A clock, especially suitable for playing the game of chess, includes the standard two clock face system with an activation button for each player. A delay feature is included so that there is a delay between the time the activation button is pressed and t...	05/30/1995
4884255	Digital chess clock A game timing apparatus and method for simultaneously timing events for two players is disclosed. The method involves presetting a pair of clocks for respective initial time periods, starting one of the clocks to time a first player's move, simultaneously...	11/28/1989
4681463	Differential timer A timing device is provided for the differential timing of game play, such as chess, employing an easily readable display means and an accurate timing means. According to the preferred embodiment of the present invention, the display means further compris...	07/21/1987
4472067	Chess clock A game timing device for simultaneously timing events for two players comprising clock means for counting the time of two different events a pair of start switches, each for initiating the operation of the clock means for counting one of the two different even...	09/18/1984
4464060	Electronic chess clock An electronic chess clock includes a generally rectangular casing atop which an elongate switching lever is mounted for pivotal movement about the center of the lever. A pair of electrochemical clockworks are contained in the casing for measuring and disp...	08/07/1984
4431313	Game timer A game timer for selectively timing the action time of two or more game players includes a timing unit for each player with the timing unit consisting of a reservoir containing a measured quantity of granular medium with a metered orifice for controlling ...	02/14/1984
4382291	Surveillance system in which a reflected signal pattern is compared to a reference pattern Radiation energy is emitted intermittently to an area under surveillance and a pattern of reflections is formed. Thereafter, the pattern of reflections is statistically compared with a reference pattern which is prepared in advance. When the two patterns ...	05/03/1983
4340808	Time logging apparatus Time logging apparatus comprising a microprocessor programmed to distribute clock signals within memory locations corresponding to a plurality of primary accounts, each having an associated account key, is disclosed. The account to which any clock signal ...	07/20/1982
4238846	Timing device The timing device is one in which two float-type timers, a frame, and an angular base are adapted to measure and control playing time in games such as Scrabble, chess, checkers, and the like....	12/09/1980
4195220	Portable elapsed time recorder A portable, self-contained, cummulative elapsed time recorder unit for personal use which records and stores data representing time spent by an individual working on each of a number of different work assignments, to provide a time record for billing purp...	03/25/1980
4188779	Electronic timepiece capable of simulating and displaying a game of chance Electronic timepiece with a device for indicating the time, which is electronically controlled and is used to display elements which simulate a game of chance. Additional circuits are provided for the control of the display of the elements of the game and...	02/19/1980
4079583	Electrical chess clock The invention relates to an electrical chess clock comprising a pair of time measuring circuits each having a digital time display device. The time measuring circuits are driven by a common pulse source which may alternately be connected to the time measu...	03/21/1978
4062180	Electronic chess clock A chess clock is provided which is electronic in operation and digital in display having three modes of operation. In the first mode, the tournament mode, the display has two digital clock displays in minutes and seconds which indicate the time remaining ...	12/13/1977
4021046	Accumulative comparative timing device A timing device including an internal motor which rotates a pointer on an elapsed time dial which indicates the time periods required for the performance of respective events and for indicating the differences between the time periods when each time perio...	05/03/1977
3984109	Lighted chess game A chess game in which the chess pieces of both colors are translucent and carry a lamp; battery, miniature radio receiver and switch responsive to the receiver which couples the lamp for energization by the battery in response to receipt of a control sign...	10/05/1976
3961473	Electronic chess timer The timer comprises an oscillator and a pair of memories for selectively receiving and storing signals from the oscillator. Each memory is connected to a display which indicates in digital form, and to the nearest tenth, the number of minutes of play that...	06/08/1976

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Class 368/96 - With alternately operating indicators (e.g., chess clock)