ES123303A1 - Improvements in light signal devices. - Google Patents

Improvements in light signal devices.

Info

Publication number
ES123303A1
ES123303A1 ES123303A ES123303A ES123303A1 ES 123303 A1 ES123303 A1 ES 123303A1 ES 123303 A ES123303 A ES 123303A ES 123303 A ES123303 A ES 123303A ES 123303 A1 ES123303 A1 ES 123303A1
Authority
ES
Spain
Prior art keywords
light signal
signal devices
devices
light
signal
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.)
Expired
Application number
ES123303A
Other languages
Spanish (es)
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.)
SPX Technologies Inc
Original Assignee
General Railway Signal 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 General Railway Signal Co filed Critical General Railway Signal Co
Priority to ES123303A priority Critical patent/ES123303A1/en
Publication of ES123303A1 publication Critical patent/ES123303A1/en
Expired legal-status Critical Current

Links

ES123303A 1931-06-19 1931-06-19 Improvements in light signal devices. Expired ES123303A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES123303A ES123303A1 (en) 1931-06-19 1931-06-19 Improvements in light signal devices.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES123303A ES123303A1 (en) 1931-06-19 1931-06-19 Improvements in light signal devices.

Publications (1)

Publication Number Publication Date
ES123303A1 true ES123303A1 (en) 1931-07-16

Family

ID=65581379

Family Applications (1)

Application Number Title Priority Date Filing Date
ES123303A Expired ES123303A1 (en) 1931-06-19 1931-06-19 Improvements in light signal devices.

Country Status (1)

Country Link
ES (1) ES123303A1 (en)

Similar Documents

Publication Publication Date Title
ES123303A1 (en) Improvements in light signal devices.
ES677Y (en) Improvements in luminous sign-producing devices.
ES122502A1 (en) Improvements in sedimentation devices.
ES117944A1 (en) Improvements in submarine signal devices.
GR3116B (en) LIGHT LINE DEVICE.
AT134364B (en) Electric light sign.
ES123255A1 (en) Improvements in electrical signal systems.
ES121684A1 (en) Improvements in electrical signal systems.
ES123221A1 (en) Improvements in cinematographic devices.
ES122726A1 (en) Improvements introduced in photoelectric devices.
ES122727A1 (en) Improvements introduced in photoelectric devices.
ES122445A1 (en) Improvements in wireless signal systems.
FI13737A (en) Optical signaling
ES121593A1 (en) Improvements in transmission mechanisms.
ES116985A1 (en) Improvements in light discharge devices.
DK46603C (en) Light sign.
DK46172C (en) Signal device.
ES116914A3 (en) Improvements in lighting devices.
ES123163A1 (en) Improvements in construction packages.
DK46251C (en) Fire-free stable light.
ES123892A3 (en) IMPROVEMENTS IN THE CRICS
ES124967A1 (en) Gears improvements
ES122981A1 (en) Improvements in acoustic devices.
ES122532A1 (en) Improvements in the orientation devices.
ES386Y (en) Light collector-reflector device.