FR741543A - - Google Patents
Info
- Publication number
- FR741543A FR741543A FR741543DA FR741543A FR 741543 A FR741543 A FR 741543A FR 741543D A FR741543D A FR 741543DA FR 741543 A FR741543 A FR 741543A
- Authority
- FR
- France
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/505—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/51—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using discharge tubes only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
- G02B23/18—Housings; Caps; Mountings; Supports, e.g. with counterweight for binocular arrangements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Stand-By Power Supply Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE397674X | 1908-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR741543A true FR741543A (me) | 1933-02-10 |
Family
ID=6397239
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR741543D Expired FR741543A (me) | 1931-08-29 | ||
| FR397674D Expired FR397674A (fr) | 1908-02-12 | 1908-12-21 | Instrument additionnel servant à transformer un instrument monoculaire en un instrument binoculaire |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR397674D Expired FR397674A (fr) | 1908-02-12 | 1908-12-21 | Instrument additionnel servant à transformer un instrument monoculaire en un instrument binoculaire |
Country Status (2)
| Country | Link |
|---|---|
| FR (2) | FR397674A (me) |
| GB (1) | GB397674A (me) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1494082A (en) * | 1974-02-20 | 1977-12-07 | Secr Social Service Brit | Viewing devices |
| CH565544A5 (me) * | 1974-03-26 | 1975-08-29 | Storz Endoskop Gmbh |
-
0
- FR FR741543D patent/FR741543A/fr not_active Expired
-
1908
- 1908-12-21 FR FR397674D patent/FR397674A/fr not_active Expired
-
1932
- 1932-08-29 GB GB24124/32A patent/GB397674A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB397674A (en) | 1933-08-31 |
| FR397674A (fr) | 1909-05-14 |