GB1573640A - Cam tubes - Google Patents
Cam tubes Download PDFInfo
- Publication number
- GB1573640A GB1573640A GB5022077A GB5022077A GB1573640A GB 1573640 A GB1573640 A GB 1573640A GB 5022077 A GB5022077 A GB 5022077A GB 5022077 A GB5022077 A GB 5022077A GB 1573640 A GB1573640 A GB 1573640A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- cam tube
- cam
- auxiliary
- lens
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT951876A AT355799B (de) | 1976-12-22 | 1976-12-22 | Verfahren zur herstellung eines steuertubus aus kunststoff |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1573640A true GB1573640A (en) | 1980-08-28 |
Family
ID=3614866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5022077A Expired GB1573640A (en) | 1976-12-22 | 1977-12-02 | Cam tubes |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5380226A (de) |
AT (1) | AT355799B (de) |
DE (1) | DE2756481A1 (de) |
FR (1) | FR2375613A1 (de) |
GB (1) | GB1573640A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS561138A (en) * | 1979-06-19 | 1981-01-08 | Olympus Optical Co | Regulator for focus of endoscope |
JPS59121627U (ja) * | 1983-02-04 | 1984-08-16 | 株式会社測機舎 | 望遠鏡の合焦機構 |
JPH02285310A (ja) * | 1989-04-26 | 1990-11-22 | Asahi Optical Co Ltd | レンズ鏡筒のカム環の製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1604528A1 (de) * | 1966-06-16 | 1970-11-12 | Bayer Ag | Formkern zur Herstellung von Hohlkoerpern aller Art |
CH530249A (de) * | 1971-10-22 | 1972-11-15 | Liechti Fritz Dipl Ing Dr | Verfahren zur Herstellung von Formteilen aus Kunststoffen mit komplizierten Aussparungen und Hohlräumen |
US3744884A (en) * | 1971-11-02 | 1973-07-10 | Bell & Howell Co | Lens mount assembly for focusable, variable focal length lens |
DE2200740A1 (de) * | 1972-01-07 | 1973-07-12 | Rudolf Messerschmitt Kg | Kern fuer rohrboegen aus kunststoff |
DE2255048A1 (de) * | 1972-11-10 | 1974-05-09 | Isco Optische Werke Gmbh | Kunststoff-fassung fuer objektive mit veraenderbarer brennweite |
JPS52506B2 (de) * | 1972-12-04 | 1977-01-08 |
-
1976
- 1976-12-22 AT AT951876A patent/AT355799B/de not_active IP Right Cessation
-
1977
- 1977-12-02 GB GB5022077A patent/GB1573640A/en not_active Expired
- 1977-12-17 DE DE19772756481 patent/DE2756481A1/de not_active Withdrawn
- 1977-12-20 FR FR7738448A patent/FR2375613A1/fr not_active Withdrawn
- 1977-12-22 JP JP15505777A patent/JPS5380226A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2375613A1 (fr) | 1978-07-21 |
DE2756481A1 (de) | 1978-06-29 |
JPS5380226A (en) | 1978-07-15 |
ATA951876A (de) | 1979-08-15 |
AT355799B (de) | 1980-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |