KR880013909U - 주파수 변화 감지회로 - Google Patents
주파수 변화 감지회로Info
- Publication number
- KR880013909U KR880013909U KR2019860020788U KR860020788U KR880013909U KR 880013909 U KR880013909 U KR 880013909U KR 2019860020788 U KR2019860020788 U KR 2019860020788U KR 860020788 U KR860020788 U KR 860020788U KR 880013909 U KR880013909 U KR 880013909U
- Authority
- KR
- South Korea
- Prior art keywords
- detection circuit
- change detection
- frequency change
- frequency
- circuit
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manipulation Of Pulses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860020788U KR900005307Y1 (ko) | 1986-12-22 | 1986-12-22 | 주파수 변화 감지회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860020788U KR900005307Y1 (ko) | 1986-12-22 | 1986-12-22 | 주파수 변화 감지회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880013909U true KR880013909U (ko) | 1988-08-31 |
KR900005307Y1 KR900005307Y1 (ko) | 1990-06-15 |
Family
ID=19258196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019860020788U KR900005307Y1 (ko) | 1986-12-22 | 1986-12-22 | 주파수 변화 감지회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900005307Y1 (ko) |
-
1986
- 1986-12-22 KR KR2019860020788U patent/KR900005307Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900005307Y1 (ko) | 1990-06-15 |
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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: 20000530 Year of fee payment: 11 |
|
LAPS | Lapse due to unpaid annual fee |