WO1981002349A1
(en )
1981-08-20
Improvements in security means
HK141693A
(en )
1993-12-31
Call registering keyboard and display device on the floors for lifts
US3573739A
(en )
1971-04-06
Automatic registration system
US20090201151A1
(en )
2009-08-13
Locked or unlocked status key indicator system
US3739151A
(en )
1973-06-12
Electronic voting machine
GB1020013A
(en )
1966-02-16
Improvements in or relating to electric encoding keyboards
GB602277A
(enExample )
US3779453A
(en )
1973-12-18
Electronic voting machine
US4178501A
(en )
1979-12-11
Electronic voting machine
CN109801426A
(zh )
2019-05-24
一种投票装置
Dizney et al.
1962
An investigation of the" bandwagon effect" in a college straw election
US2653761A
(en )
1953-09-29
Electromechanical calculating machine
US933412A
(en )
1909-09-07
Electric call and alarm system.
US3839710A
(en )
1974-10-01
Access apparatus control system
US3125289A
(en )
1964-03-17
o-o o-o o-o
US1219053A
(en )
1917-03-13
Voting apparatus.
US20220207945A1
(en )
2022-06-30
Machine or device lock enclosure
US3980864A
(en )
1976-09-14
Automatic mechanical voting machine with electronic readout
US20220262187A1
(en )
2022-08-18
Non-Binary Circuit Assembly For Voting Terminal
WO2002082255A1
(en )
2002-10-17
A voting system and method
US3286918A
(en )
1966-11-22
Voting method
GB189720522A
(en )
1897-11-13
Improvements in Electrical Signalling Systems, applicable to "In" and "Out" Indicators and the like.
US3904854A
(en )
1975-09-09
Automatic mechanical voting machine with electronic readout
US972507A
(en )
1910-10-11
Actuator cut-off for voting-machines.
SU1053121A1
(ru )
1983-11-07
Устройство дл контрол работы оборудовани