JPS51129106A - Dial main spring - Google Patents

Dial main spring

Info

Publication number
JPS51129106A
JPS51129106A JP5316875A JP5316875A JPS51129106A JP S51129106 A JPS51129106 A JP S51129106A JP 5316875 A JP5316875 A JP 5316875A JP 5316875 A JP5316875 A JP 5316875A JP S51129106 A JPS51129106 A JP S51129106A
Authority
JP
Japan
Prior art keywords
main spring
dial main
dial
spings
sprial
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
JP5316875A
Other languages
Japanese (ja)
Other versions
JPS547643B2 (en
Inventor
Kenichi Kawaji
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.)
Tamura Electric Works Ltd
Original Assignee
Tamura Electric Works 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 Tamura Electric Works Ltd filed Critical Tamura Electric Works Ltd
Priority to JP5316875A priority Critical patent/JPS51129106A/en
Publication of JPS51129106A publication Critical patent/JPS51129106A/en
Publication of JPS547643B2 publication Critical patent/JPS547643B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/315—Clutches; Spring assemblies; Speed regulators, e.g. centrifugal brakes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:To obtain a dial main spring with less torque fluctuation by having sparse and dense areas in the winding of sprial spings.
JP5316875A 1975-05-06 1975-05-06 Dial main spring Granted JPS51129106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5316875A JPS51129106A (en) 1975-05-06 1975-05-06 Dial main spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5316875A JPS51129106A (en) 1975-05-06 1975-05-06 Dial main spring

Publications (2)

Publication Number Publication Date
JPS51129106A true JPS51129106A (en) 1976-11-10
JPS547643B2 JPS547643B2 (en) 1979-04-09

Family

ID=12935315

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5316875A Granted JPS51129106A (en) 1975-05-06 1975-05-06 Dial main spring

Country Status (1)

Country Link
JP (1) JPS51129106A (en)

Also Published As

Publication number Publication date
JPS547643B2 (en) 1979-04-09

Similar Documents

Publication Publication Date Title
CA999970A (en) Measuring fuel consumption
JPS5373067A (en) Polisher
JPS51129106A (en) Dial main spring
AU4780472A (en) Timepiece with day and date indicator
JPS51121368A (en) Digital desplayed electronic watch
ZA754747B (en) Improvements in the indication of rates of fuel consumption
JPS52136574A (en) Cvd apparatus
JPS5343566A (en) Digital watch with counting functions
JPS52153647A (en) Elastic surface wave element
JPS5279793A (en) Crystal vibrator
JPS5313892A (en) Crystal vibrator
JPS51145362A (en) Time informing watch
JPS5239390A (en) Temperature compensation type piezoelectric vibrator
JPS52114369A (en) Dial of timepiece driven by solar battery
JPS51120605A (en) Receiver
JPS5276700A (en) Bonded agent glass for thick-film varister
JPS52105866A (en) Timepiece dial
JPS52111758A (en) Indication method of electronic watch
JPS5348770A (en) Electronic watch
JPS51121367A (en) Small electronic watch
JPS5382467A (en) Electronic watch
CS185810B1 (en) Ferromagnetic pendulum
JPS5282172A (en) Double stable circuit
JPS5225546A (en) Double resonant ring type wave-divider
JPS51135446A (en) Tuning fork-oscillator