초록 ▼

A thermostated cabinet for storing articles fitted with radio-frequency identifier including a cabinet having an opening for introducing and removing articles, an article monitor comprising at least one radio-frequency receiver connected to at least one antenna for detecting movements of the article

A thermostated cabinet for storing articles fitted with radio-frequency identifier including a cabinet having an opening for introducing and removing articles, an article monitor comprising at least one radio-frequency receiver connected to at least one antenna for detecting movements of the articles, and means for providing data to the radio frequency identifier.

대표청구항 ▼

A thermostated cabinet for storing articles fitted with radio-frequency identifier including a cabinet having an opening for introducing and removing articles, an article monitor comprising at least one radio-frequency receiver connected to at least one antenna for detecting movements of the article

A thermostated cabinet for storing articles fitted with radio-frequency identifier including a cabinet having an opening for introducing and removing articles, an article monitor comprising at least one radio-frequency receiver connected to at least one antenna for detecting movements of the articles, and means for providing data to the radio frequency identifier. the contact elements are attached have a decreased thickness on the side on where the contact elements are caulked. 8. An electromagnetic relay according to claim 1, wherein the coil is one obtained by arranging an iron core on the inside of a cylindrical portion of a bobbin that has a plate portion and the cylindrical portion and by arranging a coiled conductor on the outer side of the cylindrical portion, the bobbin is secured to the base block with its plate portion being inserted in a hole formed in the base block and with its hook formed on the plate member being engaged with the base block, and the coiled conductor is connected to a terminal of the coil mounted on the base plate via a conductor member for the coil, the conductor member for the coil being insert-molded in the bobbin. 9. An electromagnetic relay according to claim 8, wherein the first and second fixed contact terminals or the third and fourth fixed contact terminals and coil terminals are formed by machining an electrically conducting plate memeber integrally with the lead terminals which protrude from the other surface of the base block and to which the external conductors are connected, and are, then, insert-molded in the base block. 10. An electromagnetic relay according to claim 9, wherein there are provided a pair of terminals each having a slot, and a protection element is mounted with its both ends being inserted in the pair of slots. 11. An electromagnetic relay according to claim 2, wherein: contact elements are attached to the portions of the first and second fixed contact terminals, of the third and fourth fixed contact terminals, of the fixed conductor pieces and of the moving conductor pieces so as to protrude toward the side of the contact surface; the angle of the moving conductor pieces, relative to the vertical line, when they come into contact with the first and second fixed contact terminals, is different from the angle of the moving contact pieces, relative to the vertical line, when they come into contact with the third and fourth fixed contact terminals; the contact elements of the moving conductor pieces that come into contact with the contact elements of the first and second fixed contact terminals and the contact elements of the moving conductor pieces that come in contact with the contact elements of the third and fourth fixed contact terminals, are located at an equal distance from the center of movement of the moving pieces; and a height of the contact elements of the third and fourth fixed contact terminals from the base block is different from a height of the contact elements of the first and second fixed contact terminals from the base block, so that the contact elements of the moving conductor pieces come in contact with the contact element of the first fixed contact terminal and with the contact element of the third fixed contact terminal at their centers and come in contact with the contact element of the second fixed contact terminal and with the contact element of the fourth fixed contact terminal at their centers. 12. An electromagnetic relay according to claim 1, wherein plural contact sets are closed and opened within a predetermined period of time. 13. An electromagnetic relay according to claim 2, wherein plural contract sets are closed and opened within a predetermined period of time. 14. An electromagnetic relay according to claim 2, wherein contact elements are attached by caulking to the portions of the first and second fixed contact terminals, of the third and fourth fixed contact terminals, of the fixed conductor pieces and of the moving conductor pieces that come in contact with one another, the contact elements protruding toward the contacting side, and the regions of the members to which the contact elements are caulked have a decreased thickness on the side on which the contact elements are caulked. 15. An electromagnetic relay according to claim 2, wherein the coil is one obtained by arranging an iron core on the inside of a cylindrical portion of a bobbin that has a plate portion and the cylindrical portion and by arranging a coiled conductor on the outer side of the cylindrical portion, the bobbin is secured to the base block with its plate portion being inserted in a hole formed in the base block and with its hook formed on the plate member being engaged with the base block, and the coiled conductor is connected to a terminal of the coil mounted on the base plate via a conductor member for a coil, the conductor member for coil being insert-molded in the bobbin. 16. An electromagnetic relay according to claim 1, wherein the outer surface of the armature has a stepped configuration at the juncture of the central portion and the lower portion whereby the lower portion of the spring member is displaced from the lower portion of the outer surface of the armature. 17. An electromagnetic relay according to claim 1, wherein the first leg portion, the central portion, the extension therefrom and the second leg portion of the spring comprises a single unitary structure. 18. An electromagnetic relay according to claim 2, wherein the spring member comprises a first element including the first leg portion and an integral and unitary end extension and a second element comprising an end extension overlapping the end extension of the first member and together comprising the central portion secured to the armature and a second leg portion comprising the moving conductor piece. 19. An electromagnetic relay according to claim 18, further comprising an insulating layer separating the respective end portions of the first and second spring members. 20. An electromagnetic relay comprising: a first fixed contact terminal and a second fixed contact terminal spaced from each other on a first main surface of a base block; fixed conductor pieces of a number n mounted in adjacent, spaced relationship on said one surface of said base block in alignment with, and between, the first fixed contact terminal and the second fixed contact terminal; and an L-type yoke affixed to the base and having a first leg affixed to, and extending transverse to, the first main surface of the base and a second leg extending parallel to and spaced from the first main surface and having a free end and a coil mounted therebetween having a axis parallel to the first main surface and extending to the free end of the second leg of the yoke; an armature and a generally L-shaped spring providing a cantilevered, resiliently biased support of the armature from the free end of the second leg of the yoke, normally displaced from the coil and movable by energization of the coil for rotation about the free end of the second leg of the yoke and toward the coil, against the resilient bias of the spring, for connecting the first fixed contact terminal, the second fixed contact terminal and the two adjacent fixed conductor pieces simultaneously in a series circuit relationship, the spring having a first leg portion secured to the first leg of the yoke, a pair of spaced, folded portions extending from the first leg portion and over the free end of the yoke and an upper portion of the armature, connecting at respective fold lines to corresponding, laterally spaced portions of a central portion of the spring, the central portion contacting and being secured to the central portion of the armature and including a stabilizing extension portion between the fold lines and disposed on the upper portion of the armature and a lower portion extending from the central portion and carrying thereon the moving conductor pieces in a number n: the first fixed contact terminal and the second fixed contact terminal are connected together through serially arranged contact sets of a number 2n formed by the first fixed contact terminal, the second fixed contact terminal, the fixed conductor pieces of the number n-1 and the moving conductor pieces of the number n, and n is an integer not smaller t