FR2415793A1 - Dispositif de mesure directe de la longueur ou du minutage d'un enroulement - Google Patents
Dispositif de mesure directe de la longueur ou du minutage d'un enroulementInfo
- Publication number
- FR2415793A1 FR2415793A1 FR7802818A FR7802818A FR2415793A1 FR 2415793 A1 FR2415793 A1 FR 2415793A1 FR 7802818 A FR7802818 A FR 7802818A FR 7802818 A FR7802818 A FR 7802818A FR 2415793 A1 FR2415793 A1 FR 2415793A1
- Authority
- FR
- France
- Prior art keywords
- tape
- length
- directly proportional
- timing
- audio visual
- 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
Links
- 230000000007 visual effect Effects 0.000 title abstract 2
- 239000012780 transparent material Substances 0.000 abstract 1
Classifications
-
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/321—Holders for films, e.g. reels, cassettes, spindles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/02—Rulers with scales or marks for direct reading
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/34—Indicating arrangements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7802818A FR2415793A1 (fr) | 1978-01-26 | 1978-01-26 | Dispositif de mesure directe de la longueur ou du minutage d'un enroulement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7802818A FR2415793A1 (fr) | 1978-01-26 | 1978-01-26 | Dispositif de mesure directe de la longueur ou du minutage d'un enroulement |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2415793A1 true FR2415793A1 (fr) | 1979-08-24 |
FR2415793B1 FR2415793B1 (OSRAM) | 1982-02-26 |
Family
ID=9204083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7802818A Granted FR2415793A1 (fr) | 1978-01-26 | 1978-01-26 | Dispositif de mesure directe de la longueur ou du minutage d'un enroulement |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2415793A1 (OSRAM) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1387023A (fr) * | 1963-07-02 | 1965-01-29 | Agfa Ag | Dispositif de mesure de la longueur d'un ruban restant dans des bobines |
-
1978
- 1978-01-26 FR FR7802818A patent/FR2415793A1/fr active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1387023A (fr) * | 1963-07-02 | 1965-01-29 | Agfa Ag | Dispositif de mesure de la longueur d'un ruban restant dans des bobines |
Also Published As
Publication number | Publication date |
---|---|
FR2415793B1 (OSRAM) | 1982-02-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
DL | Decision of the director general to leave to make available licences of right | ||
ST | Notification of lapse |