AU575409B2 - Frequency measuring device - Google Patents
Frequency measuring deviceInfo
- Publication number
- AU575409B2 AU575409B2 AU44165/85A AU4416585A AU575409B2 AU 575409 B2 AU575409 B2 AU 575409B2 AU 44165/85 A AU44165/85 A AU 44165/85A AU 4416585 A AU4416585 A AU 4416585A AU 575409 B2 AU575409 B2 AU 575409B2
- Authority
- AU
- Australia
- Prior art keywords
- measuring device
- frequency measuring
- frequency
- measuring
- 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.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
-
- 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
- G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU44165/85A AU575409B2 (en) | 1984-06-29 | 1984-06-29 | Frequency measuring device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU44165/85A AU575409B2 (en) | 1984-06-29 | 1984-06-29 | Frequency measuring device |
AUPG5761 | 1984-06-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4416585A AU4416585A (en) | 1986-01-02 |
AU575409B2 true AU575409B2 (en) | 1988-07-28 |
Family
ID=3731396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU44165/85A Ceased AU575409B2 (en) | 1984-06-29 | 1984-06-29 | Frequency measuring device |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU575409B2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU7212881A (en) * | 1980-06-23 | 1982-01-07 | Beloit Corporation | Continous sheet discharge and collection |
AU555872B2 (en) * | 1982-08-13 | 1986-10-16 | Sarasota Automation Ltd. | Inductive loop vehicle detector |
-
1984
- 1984-06-29 AU AU44165/85A patent/AU575409B2/en not_active Ceased
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU7212881A (en) * | 1980-06-23 | 1982-01-07 | Beloit Corporation | Continous sheet discharge and collection |
AU555872B2 (en) * | 1982-08-13 | 1986-10-16 | Sarasota Automation Ltd. | Inductive loop vehicle detector |
Also Published As
Publication number | Publication date |
---|---|
AU4416585A (en) | 1986-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Assignment registered |
Owner name: ADT SERVICES AG Free format text: FORMER OWNER WAS: PHILIPS ELECTRONICS AUSTRALIA LIMITED |