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.)
Kajima Corp
Original Assignee
Kajima Corp
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 Kajima CorpfiledCriticalKajima Corp
Priority to JP59172380ApriorityCriticalpatent/JPS6151589A/ja
Publication of JPS6151589ApublicationCriticalpatent/JPS6151589A/ja
Publication of JPH0423757B2publicationCriticalpatent/JPH0423757B2/ja
G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
G07C3/02—Registering or indicating working or idle time only
G07C3/04—Registering or indicating working or idle time only using counting means or digital clocks