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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DENIO GENERAL ELECTRIC Co
Original Assignee
DENIO GENERAL ELECTRIC Co
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 filed by DENIO GENERAL ELECTRIC CofiledCriticalDENIO GENERAL ELECTRIC Co
Application grantedgrantedCritical
Publication of FR451178ApublicationCriticalpatent/FR451178A/fr
H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems