JPS5567859A - Miniature electronic apparatus - Google Patents

Miniature electronic apparatus

Info

Publication number
JPS5567859A
JPS5567859A JP13978978A JP13978978A JPS5567859A JP S5567859 A JPS5567859 A JP S5567859A JP 13978978 A JP13978978 A JP 13978978A JP 13978978 A JP13978978 A JP 13978978A JP S5567859 A JPS5567859 A JP S5567859A
Authority
JP
Japan
Prior art keywords
sub
minutes
keys
key
signal
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
JP13978978A
Other languages
Japanese (ja)
Inventor
Ichiro Sado
Shigeharu Kishimoto
Masayuki Sasaki
Mitsuo Cho
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP13978978A priority Critical patent/JPS5567859A/en
Publication of JPS5567859A publication Critical patent/JPS5567859A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Clocks (AREA)
  • Calculators And Similar Devices (AREA)

Abstract

PURPOSE: To decrease the number of keys by decreasing the number of the timer time setting keys with a combined use of these keys and also securing the multi- frequency hitting of the same key.
CONSTITUTION: Keys K1, K5, K10 and K60 are provided for use in 1 minute, 5 minutes, 10 minutes and 60 minutes each. With a push of K5, the key signal is delivered from key signal short-time generator OS2. Thus the code signal is applied to adder ADD from code signal generator CG2 to be supplied to subtractor SUB after addition with the contents (0 presently) of memory unit R1. The output of SUB is supplied to zero detector circuit ZD and R1 to be displayed at display unit DIS. The information circulates R1, ADD and SUB. Time signal generator CLK operates simultaneously with setting of the key and gives the signal to SUB every minute for execution of the subtraction. The output of SUB is detected by ZD when it becomes zero, and then alarm means ALM is driven. For setting of 37 minutes, K10, K5 and K1 are operated three times, once and twice respectively, and thus an addition is carried out through R1 and ADD.
COPYRIGHT: (C)1980,JPO&Japio
JP13978978A 1978-11-15 1978-11-15 Miniature electronic apparatus Pending JPS5567859A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13978978A JPS5567859A (en) 1978-11-15 1978-11-15 Miniature electronic apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13978978A JPS5567859A (en) 1978-11-15 1978-11-15 Miniature electronic apparatus

Publications (1)

Publication Number Publication Date
JPS5567859A true JPS5567859A (en) 1980-05-22

Family

ID=15253455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13978978A Pending JPS5567859A (en) 1978-11-15 1978-11-15 Miniature electronic apparatus

Country Status (1)

Country Link
JP (1) JPS5567859A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5793277A (en) * 1980-12-02 1982-06-10 Rhythm Watch Co Ltd Electronic timer
JPS60111523A (en) * 1983-11-21 1985-06-18 Seikosha Co Ltd Electronic timer
US4526479A (en) * 1982-01-11 1985-07-02 Harris Carl N Athletic timer
JPS61108990A (en) * 1984-10-31 1986-05-27 Sony Corp Timer device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068628A (en) * 1973-10-20 1975-06-09
JPS5112220A (en) * 1974-07-20 1976-01-30 Kyuroku Kk DENSHIKEI SANKIINSHOSOCHOKATSUJIRINNO SEIZOHOHO

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068628A (en) * 1973-10-20 1975-06-09
JPS5112220A (en) * 1974-07-20 1976-01-30 Kyuroku Kk DENSHIKEI SANKIINSHOSOCHOKATSUJIRINNO SEIZOHOHO

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5793277A (en) * 1980-12-02 1982-06-10 Rhythm Watch Co Ltd Electronic timer
US4526479A (en) * 1982-01-11 1985-07-02 Harris Carl N Athletic timer
JPS60111523A (en) * 1983-11-21 1985-06-18 Seikosha Co Ltd Electronic timer
JPS61108990A (en) * 1984-10-31 1986-05-27 Sony Corp Timer device

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