CA998140A - Electronic calculator having an indicator blanking circuit - Google Patents

Electronic calculator having an indicator blanking circuit

Info

Publication number
CA998140A
CA998140A CA162,370A CA162370A CA998140A CA 998140 A CA998140 A CA 998140A CA 162370 A CA162370 A CA 162370A CA 998140 A CA998140 A CA 998140A
Authority
CA
Canada
Prior art keywords
indicator
electronic calculator
blanking circuit
blanking
circuit
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.)
Expired
Application number
CA162,370A
Other languages
English (en)
Other versions
CA162370S (en
Inventor
Katsuhiko Nagakura
Hidetoshi Kamoto
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA998140A publication Critical patent/CA998140A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/10—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using gas tubes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Calculators And Similar Devices (AREA)
  • Digital Computer Display Output (AREA)
CA162,370A 1972-01-31 1973-01-30 Electronic calculator having an indicator blanking circuit Expired CA998140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1166572A JPS5723270B2 (ja) 1972-01-31 1972-01-31

Publications (1)

Publication Number Publication Date
CA998140A true CA998140A (en) 1976-10-05

Family

ID=11784264

Family Applications (1)

Application Number Title Priority Date Filing Date
CA162,370A Expired CA998140A (en) 1972-01-31 1973-01-30 Electronic calculator having an indicator blanking circuit

Country Status (12)

Country Link
US (1) US3821535A (ja)
JP (1) JPS5723270B2 (ja)
AT (1) AT334661B (ja)
AU (1) AU476154B2 (ja)
CA (1) CA998140A (ja)
CH (1) CH570005A5 (ja)
DE (1) DE2304681C2 (ja)
FR (1) FR2170729A5 (ja)
GB (1) GB1426075A (ja)
IT (1) IT978687B (ja)
NL (1) NL185875C (ja)
SE (1) SE391043B (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976975A (en) * 1974-02-04 1976-08-24 Texas Instruments Incorporated Prompting calculator
JPS581461B2 (ja) * 1974-02-25 1983-01-11 シャープ株式会社 電子機器
JPS518032U (ja) * 1974-07-03 1976-01-21
JPS516622A (ja) * 1974-07-05 1976-01-20 Sharp Kk Hyojiseigyohoshiki
JPS5823637B2 (ja) * 1975-04-23 1983-05-16 セイコーエプソン株式会社 液晶表示装置
DE2554927B2 (de) * 1975-12-06 1980-01-17 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Digitale elektrische LagemeBeinrichtung
JPS54150035A (en) * 1978-05-18 1979-11-24 Toshiba Corp Plasma display control method
JPH0248873Y2 (ja) * 1986-06-11 1990-12-21
NZ260560A (en) * 1993-06-07 1996-06-25 Alcatel Australia Preventing flicker of led driven by a shift register
AU678452B2 (en) * 1993-06-07 1997-05-29 Alcatel Australia Limited Arrangement for preventing flickering of visual indicator means

Also Published As

Publication number Publication date
DE2304681C2 (de) 1983-12-01
NL7301415A (ja) 1973-08-02
IT978687B (it) 1974-09-20
DE2304681A1 (de) 1973-08-09
AT334661B (de) 1976-01-25
AU5155273A (en) 1974-08-01
GB1426075A (en) 1976-02-25
US3821535A (en) 1974-06-28
JPS5723270B2 (ja) 1982-05-18
ATA85373A (de) 1976-05-15
NL185875B (nl) 1990-03-01
NL185875C (nl) 1990-08-01
SE391043B (sv) 1977-01-31
CH570005A5 (ja) 1975-11-28
AU476154B2 (en) 1976-09-16
FR2170729A5 (ja) 1973-09-14
JPS4881436A (ja) 1973-10-31

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