JPS5752885A - Time-announcing clock with monitoring function - Google Patents

Time-announcing clock with monitoring function

Info

Publication number
JPS5752885A
JPS5752885A JP12761880A JP12761880A JPS5752885A JP S5752885 A JPS5752885 A JP S5752885A JP 12761880 A JP12761880 A JP 12761880A JP 12761880 A JP12761880 A JP 12761880A JP S5752885 A JPS5752885 A JP S5752885A
Authority
JP
Japan
Prior art keywords
time
sound
produced
announcing
rom132
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
JP12761880A
Other languages
Japanese (ja)
Other versions
JPS6215830B2 (en
Inventor
Norihiko Nakamura
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.)
Rhythm Watch Co Ltd
Original Assignee
Rhythm Watch 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 Rhythm Watch Co Ltd filed Critical Rhythm Watch Co Ltd
Priority to JP12761880A priority Critical patent/JPS5752885A/en
Publication of JPS5752885A publication Critical patent/JPS5752885A/en
Publication of JPS6215830B2 publication Critical patent/JPS6215830B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)

Abstract

PURPOSE:To enable reliable production of a time-annoucing sound, by a method wherein a device is constituted such that a time-announcing monitor sound is not produced for a given period of time before a time-announcing sound is produced. CONSTITUTION:In case it is not in the proximity of on the hour, a contact device 11 is kept in a closing-state. With an external switch 116 depressed thereupon, an ROM132 is brought into a working condition, and an address counter 134 reads a melody data from an ROM132, and a melody sound is produced from a sound producer 138. In case it is in the proximity of on the hour, the contact device 11 is opened, a signal of an output Q of a flip flop 112 is set into L to bring an AND gate 120 into a closing state. As a result, even if the external switch 116 is turned ON or OFF, no time-announcing sound is produced. The contact device 11 closes again at an hour time, the ROM132 is brought into a working condition. Simultaneously, the output of the flip flop 114 releases resetting of the address counter 134 to produce a melody sound.
JP12761880A 1980-09-13 1980-09-13 Time-announcing clock with monitoring function Granted JPS5752885A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12761880A JPS5752885A (en) 1980-09-13 1980-09-13 Time-announcing clock with monitoring function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12761880A JPS5752885A (en) 1980-09-13 1980-09-13 Time-announcing clock with monitoring function

Publications (2)

Publication Number Publication Date
JPS5752885A true JPS5752885A (en) 1982-03-29
JPS6215830B2 JPS6215830B2 (en) 1987-04-09

Family

ID=14964536

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12761880A Granted JPS5752885A (en) 1980-09-13 1980-09-13 Time-announcing clock with monitoring function

Country Status (1)

Country Link
JP (1) JPS5752885A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05119171A (en) * 1991-10-25 1993-05-18 Seikosha Co Ltd Clock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05119171A (en) * 1991-10-25 1993-05-18 Seikosha Co Ltd Clock

Also Published As

Publication number Publication date
JPS6215830B2 (en) 1987-04-09

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