CH621037B - Schaltung zum abstimmen der betriebsfrequenz eines elektronischen zeitmessgeraetes, insbesondere einer armband- oder taschenuhr. - Google Patents

Schaltung zum abstimmen der betriebsfrequenz eines elektronischen zeitmessgeraetes, insbesondere einer armband- oder taschenuhr.

Info

Publication number
CH621037B
CH621037B CH784077A CH784077A CH621037B CH 621037 B CH621037 B CH 621037B CH 784077 A CH784077 A CH 784077A CH 784077 A CH784077 A CH 784077A CH 621037 B CH621037 B CH 621037B
Authority
CH
Switzerland
Prior art keywords
circuit
tuning
wristwatch
operating frequency
timing device
Prior art date
Application number
CH784077A
Other languages
English (en)
Other versions
CH621037GA3 (en
Inventor
Donald R Duff
James O Lamb
Donald E Pezzolo
Original Assignee
Fairchild Camera Instr Co
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 of CH621037B publication Critical patent/CH621037B/de
Application filed by Fairchild Camera Instr Co filed Critical Fairchild Camera Instr Co
Priority to CH784077A priority Critical patent/CH621037GA3/xx
Publication of CH621037GA3 publication Critical patent/CH621037GA3/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/68—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using pulse rate multipliers or dividers pulse rate multipliers or dividers per se
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • G04G3/022—Circuits for deriving low frequency timing pulses from pulses of higher frequency the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Clocks (AREA)
CH784077A 1977-06-27 1977-06-27 Circuit for tuning the operating frequency of an electronic time measuring device, in particular a wristwatch or pocketwatch CH621037GA3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH784077A CH621037GA3 (en) 1977-06-27 1977-06-27 Circuit for tuning the operating frequency of an electronic time measuring device, in particular a wristwatch or pocketwatch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH784077A CH621037GA3 (en) 1977-06-27 1977-06-27 Circuit for tuning the operating frequency of an electronic time measuring device, in particular a wristwatch or pocketwatch

Publications (2)

Publication Number Publication Date
CH621037B true CH621037B (de)
CH621037GA3 CH621037GA3 (en) 1981-01-15

Family

ID=4331199

Family Applications (1)

Application Number Title Priority Date Filing Date
CH784077A CH621037GA3 (en) 1977-06-27 1977-06-27 Circuit for tuning the operating frequency of an electronic time measuring device, in particular a wristwatch or pocketwatch

Country Status (1)

Country Link
CH (1) CH621037GA3 (de)

Also Published As

Publication number Publication date
CH621037GA3 (en) 1981-01-15

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Legal Events

Date Code Title Description
PL Patent ceased