GB1476512A – Light emitting digital display device
– Google Patents
GB1476512A – Light emitting digital display device
– Google Patents
Light emitting digital display device
Info
Publication number
GB1476512A
GB1476512A
GB3319374A
GB3319374A
GB1476512A
GB 1476512 A
GB1476512 A
GB 1476512A
GB 3319374 A
GB3319374 A
GB 3319374A
GB 3319374 A
GB3319374 A
GB 3319374A
GB 1476512 A
GB1476512 A
GB 1476512A
Authority
GB
United Kingdom
Prior art keywords
display device
segment
light emitting
digital display
july
Prior art date
1973-07-28
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
GB3319374A
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.)
Fujinon Corp
Original Assignee
Fuji Photo Optical 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.)
1973-07-28
Filing date
1974-07-26
Publication date
1977-06-16
1974-07-26
Application filed by Fuji Photo Optical Co Ltd
filed
Critical
Fuji Photo Optical Co Ltd
1977-06-16
Publication of GB1476512A
publication
Critical
patent/GB1476512A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
G09G3/12—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 electroluminescent elements
G09G3/14—Semiconductor devices, e.g. diodes
G—PHYSICS
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B17/00—Details of cameras or camera bodies; Accessories therefor
G03B17/18—Signals indicating condition of a camera member or suitability of light
G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
G—PHYSICS
G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
Abstract
1476512 Indicators FUJI PHOTO OPTICAL CO Ltd 26 July 1974 [28 July 1973] 33193/74 ,Heading G2A [Also in Division G5] A display device comprises a figure of eight array of L.E.D’s; the right hand upper segment being bent into alignment with the upper horizontal segment and the right hand lower segment extending to the level of the bottom segment. The left hand portions of the upper and lower segments are also bent into alignment with the left hand vertical segments. The device is used to indicate shutter speeds or F numbers in a camera viewfinder.
GB3319374A
1973-07-28
1974-07-26
Light emitting digital display device
Expired
GB1476512A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
JP8978373U
JPS5330909Y2
(en)
1973-07-28
1973-07-28
Publications (1)
Publication Number
Publication Date
GB1476512A
true
GB1476512A
(en)
1977-06-16
Family
ID=13980267
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB3319374A
Expired
GB1476512A
(en)
1973-07-28
1974-07-26
Light emitting digital display device
Country Status (4)
Country
Link
JP
(1)
JPS5330909Y2
(en)
DE
(1)
DE2436183C3
(en)
FR
(1)
FR2238973B1
(en)
GB
(1)
GB1476512A
(en)
1973
1973-07-28
JP
JP8978373U
patent/JPS5330909Y2/ja
not_active
Expired
1974
1974-07-26
GB
GB3319374A
patent/GB1476512A/en
not_active
Expired
1974-07-26
DE
DE19742436183
patent/DE2436183C3/en
not_active
Expired
1974-07-29
FR
FR7426298A
patent/FR2238973B1/fr
not_active
Expired
Also Published As
Publication number
Publication date
DE2436183B2
(en)
1975-05-22
DE2436183A1
(en)
1975-02-06
FR2238973B1
(en)
1976-10-22
JPS5330909Y2
(en)
1978-08-02
FR2238973A1
(en)
1975-02-21
JPS5037540U
(en)
1975-04-18
DE2436183C3
(en)
1976-01-02
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Legal Events
Date
Code
Title
Description
1977-10-26
PS
Patent sealed
1984-03-21
PCNP
Patent ceased through non-payment of renewal fee
