KR930005841U - Focus status display circuit - Google Patents
Focus status display circuitInfo
- Publication number
- KR930005841U KR930005841U KR2019910013500U KR910013500U KR930005841U KR 930005841 U KR930005841 U KR 930005841U KR 2019910013500 U KR2019910013500 U KR 2019910013500U KR 910013500 U KR910013500 U KR 910013500U KR 930005841 U KR930005841 U KR 930005841U
- Authority
- KR
- South Korea
- Prior art keywords
- display circuit
- status display
- focus status
- focus
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1204—Optical Diode
- H01L2924/12041—LED
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019910013500U KR940001636Y1 (en) | 1991-08-23 | 1991-08-23 | Focus condition display circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019910013500U KR940001636Y1 (en) | 1991-08-23 | 1991-08-23 | Focus condition display circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930005841U true KR930005841U (en) | 1993-03-22 |
KR940001636Y1 KR940001636Y1 (en) | 1994-03-21 |
Family
ID=19318264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019910013500U KR940001636Y1 (en) | 1991-08-23 | 1991-08-23 | Focus condition display circuit |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940001636Y1 (en) |
-
1991
- 1991-08-23 KR KR2019910013500U patent/KR940001636Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR940001636Y1 (en) | 1994-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20030227 Year of fee payment: 10 |
|
LAPS | Lapse due to unpaid annual fee |