GB2077005B - Electronic digital stopwatch - Google Patents

Electronic digital stopwatch

Info

Publication number
GB2077005B
GB2077005B GB8115557A GB8115557A GB2077005B GB 2077005 B GB2077005 B GB 2077005B GB 8115557 A GB8115557 A GB 8115557A GB 8115557 A GB8115557 A GB 8115557A GB 2077005 B GB2077005 B GB 2077005B
Authority
GB
United Kingdom
Prior art keywords
switch
time
ram
lap
operated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8115557A
Other languages
English (en)
Other versions
GB2077005A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB2077005A publication Critical patent/GB2077005A/en
Application granted granted Critical
Publication of GB2077005B publication Critical patent/GB2077005B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G99/00—Subject matter not provided for in other groups of this subclass
    • G04G99/006—Electronic time-pieces using a microcomputer, e.g. for multi-function clocks
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an AC
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/22—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people in connection with sports or games

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electric Clocks (AREA)
  • Electrophonic Musical Instruments (AREA)
GB8115557A 1980-05-20 1981-05-20 Electronic digital stopwatch Expired GB2077005B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6697080A JPS56163477A (en) 1980-05-20 1980-05-20 Digital stopwatch

Publications (2)

Publication Number Publication Date
GB2077005A GB2077005A (en) 1981-12-09
GB2077005B true GB2077005B (en) 1983-12-07

Family

ID=13331381

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8115557A Expired GB2077005B (en) 1980-05-20 1981-05-20 Electronic digital stopwatch

Country Status (4)

Country Link
JP (1) JPS56163477A (enrdf_load_stackoverflow)
CH (1) CH650377GA3 (enrdf_load_stackoverflow)
DE (1) DE3119917C2 (enrdf_load_stackoverflow)
GB (1) GB2077005B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5882564A (ja) * 1981-11-12 1983-05-18 Fuji Xerox Co Ltd 非晶質シリコン受光素子
US4493043A (en) * 1981-11-25 1985-01-08 Forbath Frank P Medical timing system for use during pregnancy and method of using same
DE3303662A1 (de) * 1983-02-03 1984-08-09 Siemens AG, 1000 Berlin und 8000 München Zeitgeber mit hoher aufloesung
BE1007408A3 (nl) * 1993-08-13 1995-06-06 Winters Joep Werkwijze en inrichting voor het controleren van het gebruik van een geneesmiddel.
JP2006320403A (ja) * 2005-05-17 2006-11-30 Daikoku Denki Co Ltd パチンコ遊技機用入賞装置およびパチンコ遊技機
CN104880939A (zh) * 2014-02-28 2015-09-02 上海中核维思仪器仪表有限公司 基于cpld的门电路延迟计数高精确度测量超声波传播时间测量方法
CN104536282A (zh) * 2014-12-30 2015-04-22 杭州士兰微电子股份有限公司 时间数字转换器、时间测量装置及其测量方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1416880A (en) * 1972-01-06 1975-12-10 Omf California Inc Apparatus for determining and temporarily recording the time at which an event occurs
US4035627A (en) * 1973-05-29 1977-07-12 Hewlett-Packard Company Scientific calculator
US4063409A (en) * 1976-01-05 1977-12-20 Intel Corporation Custom watch
US4142680A (en) * 1977-03-21 1979-03-06 Oswald Robert A High resolution timing recording system
JPS54109872A (en) * 1978-02-17 1979-08-28 Hitachi Ltd Pla system of electronic type multifunction watch
GB2015208B (en) * 1978-02-27 1982-09-02 Rockwell International Corp Data monitoring and recording system incorporating a real time clock using computer means
US4223525A (en) * 1978-10-11 1980-09-23 Societe Suisse Pour L'industrie Horlogere Management Services, S.A. Sequential display for digital chronograph
JPS5595892A (en) * 1979-01-17 1980-07-21 Hitachi Ltd Electronic digital multi-function watch

Also Published As

Publication number Publication date
JPS56163477A (en) 1981-12-16
GB2077005A (en) 1981-12-09
CH650377GA3 (enrdf_load_stackoverflow) 1985-07-31
DE3119917C2 (de) 1985-06-20
DE3119917A1 (de) 1982-03-18

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980520