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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP18580181UpriorityCriticalpatent/JPS5890489U/ja
Publication of JPS5890489UpublicationCriticalpatent/JPS5890489U/ja
Application grantedgrantedCritical
Publication of JPS6336465Y2publicationCriticalpatent/JPS6336465Y2/ja
An arrangement relating to electronic alarm systems that deliver control signals such as to displace the system transmission frequency and therewith avoid disturbances