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JPS5627682A - Stop watch - Google Patents

Stop watch

Info

Publication number
JPS5627682A
JPS5627682A JP10383079A JP10383079A JPS5627682A JP S5627682 A JPS5627682 A JP S5627682A JP 10383079 A JP10383079 A JP 10383079A JP 10383079 A JP10383079 A JP 10383079A JP S5627682 A JPS5627682 A JP S5627682A
Authority
JP
Japan
Prior art keywords
time
sound
lap time
lapse
lap
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.)
Granted
Application number
JP10383079A
Other languages
Japanese (ja)
Other versions
JPS6223272B2 (en
Inventor
Isamu Washitsuka
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP10383079A priority Critical patent/JPS5627682A/en
Publication of JPS5627682A publication Critical patent/JPS5627682A/en
Publication of JPS6223272B2 publication Critical patent/JPS6223272B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electric Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)

Abstract

PURPOSE: To prevent wrong recording of lap time or the like, by announcing the lap time or lapse time with a sound.
CONSTITUTION: A key TK for a stop watch is operated to set a T type FFTF. A monostable multivibrator A2 is triggered when a key LK for lap time is closed while a lapse time counter C2 is counting a one-second signal. As a result, an RS type FFF is set and the lapse time count output of the counter C2 stored in a memory register R through AND gates G3, G4 is transferred to a buffer register R0 through a shift pulse generation circuit S. The lap time or lapse time is announced by a sound from a loudspeaker SP through a sound output control circuit VCC depending on the transferred data. The FFF is reset through a comparator C3 at the end of sound output for required digits to complete a series of sound output. Wrong recording of the lap time or the like is prevented by the sound announcement.
COPYRIGHT: (C)1981,JPO&Japio
JP10383079A 1979-08-13 1979-08-13 Stop watch Granted JPS5627682A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10383079A JPS5627682A (en) 1979-08-13 1979-08-13 Stop watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10383079A JPS5627682A (en) 1979-08-13 1979-08-13 Stop watch

Publications (2)

Publication Number Publication Date
JPS5627682A true JPS5627682A (en) 1981-03-18
JPS6223272B2 JPS6223272B2 (en) 1987-05-22

Family

ID=14364332

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10383079A Granted JPS5627682A (en) 1979-08-13 1979-08-13 Stop watch

Country Status (1)

Country Link
JP (1) JPS5627682A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51151579A (en) * 1975-06-09 1976-12-27 Camin Ind Corp Voice indication clock
JPS5212866A (en) * 1975-07-19 1977-01-31 Fumio Hieda Time meter utilizing a sound on a recording tape or disc
JPS5226873A (en) * 1975-08-25 1977-02-28 Sharp Corp Voice announcing clock
JPS52117170A (en) * 1976-03-26 1977-10-01 Sharp Corp Alarm watch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51151579A (en) * 1975-06-09 1976-12-27 Camin Ind Corp Voice indication clock
JPS5212866A (en) * 1975-07-19 1977-01-31 Fumio Hieda Time meter utilizing a sound on a recording tape or disc
JPS5226873A (en) * 1975-08-25 1977-02-28 Sharp Corp Voice announcing clock
JPS52117170A (en) * 1976-03-26 1977-10-01 Sharp Corp Alarm watch

Also Published As

Publication number Publication date
JPS6223272B2 (en) 1987-05-22

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