JPS5212866A - Time meter utilizing a sound on a recording tape or disc - Google Patents

Time meter utilizing a sound on a recording tape or disc

Info

Publication number
JPS5212866A
JPS5212866A JP8784175A JP8784175A JPS5212866A JP S5212866 A JPS5212866 A JP S5212866A JP 8784175 A JP8784175 A JP 8784175A JP 8784175 A JP8784175 A JP 8784175A JP S5212866 A JPS5212866 A JP S5212866A
Authority
JP
Japan
Prior art keywords
sound
disc
recording tape
time meter
meter utilizing
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.)
Pending
Application number
JP8784175A
Other languages
Japanese (ja)
Inventor
Fumio Hieda
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP8784175A priority Critical patent/JPS5212866A/en
Publication of JPS5212866A publication Critical patent/JPS5212866A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/04—Indicating the time of the day
    • G04C21/12—Indicating the time of the day by electro-acoustic means
    • G04C21/14—Electro-acoustic time announcement, i.e. spoken

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

PURPOSE:To measure a period of time during which an object to be measured moves, while the movement of the object is visually observed, by virtue of a sound on a magnetic tape recording and reproducing device or a gramophone.
JP8784175A 1975-07-19 1975-07-19 Time meter utilizing a sound on a recording tape or disc Pending JPS5212866A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8784175A JPS5212866A (en) 1975-07-19 1975-07-19 Time meter utilizing a sound on a recording tape or disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8784175A JPS5212866A (en) 1975-07-19 1975-07-19 Time meter utilizing a sound on a recording tape or disc

Publications (1)

Publication Number Publication Date
JPS5212866A true JPS5212866A (en) 1977-01-31

Family

ID=13926124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8784175A Pending JPS5212866A (en) 1975-07-19 1975-07-19 Time meter utilizing a sound on a recording tape or disc

Country Status (1)

Country Link
JP (1) JPS5212866A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5499977U (en) * 1977-12-27 1979-07-14
JPS5627682A (en) * 1979-08-13 1981-03-18 Sharp Corp Stop watch
JPS57152370U (en) * 1981-03-13 1982-09-24

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4838180A (en) * 1971-09-13 1973-06-05
JPS4938187A (en) * 1972-08-16 1974-04-09

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4838180A (en) * 1971-09-13 1973-06-05
JPS4938187A (en) * 1972-08-16 1974-04-09

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5499977U (en) * 1977-12-27 1979-07-14
JPS5627682A (en) * 1979-08-13 1981-03-18 Sharp Corp Stop watch
JPS57152370U (en) * 1981-03-13 1982-09-24

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