bpb Posted September 29, 2005 Report Share Posted September 29, 2005 NURA, can you tell me the year of that book's first edition happened ? :) Quote Link to comment Share on other sites More sharing options...
bpb Posted September 30, 2005 Report Share Posted September 30, 2005 I just gon through the postings, but did sasi claimed it as his invension? ??? Quote Link to comment Share on other sites More sharing options...
nura100 Posted September 30, 2005 Report Share Posted September 30, 2005 Here's the Circuit We all are Discussing ! :) Quote Link to comment Share on other sites More sharing options...
nura100 Posted September 30, 2005 Report Share Posted September 30, 2005 Here's APC UPS Schematic with Trouble Shooting Tips ! Quote Link to comment Share on other sites More sharing options...
nura100 Posted September 30, 2005 Report Share Posted September 30, 2005 Dear Forumiam not crossing my sword with Sasi, these Pics have been Posted from the Book "Advance Inverter & Ups Circuits-vol2" the Publisher & Author is Mr. G.T Gupta.Its Very Painful when somebody claims the ownership of your work, we all refer to some books or Manual, it would be great if we just mentioned "this is from XYZ book" authored by Mr.Xyz. Atleast we know that we have done the right thing and can have peaceful sleep at night.Sasi's Cutoff Circuits are his Own Piece of work which i appreciateAudioguru, i couldn't find the ISBN number, iam not too sure if i can Scan the Entire Manual and Post it here in the Forum, i maybe prosecuted, if i don't obtain Permission of the Publisher. the Cost of the Book is Rs.70 ($ 1.60) if anybody is interested in buying the Manual, i surely will helparun Quote Link to comment Share on other sites More sharing options...
bpb Posted September 30, 2005 Report Share Posted September 30, 2005 What a strange..... :oaccording to me, the book nura is specifying is a perfect of another book published by BPB in India.ISBN 81-7656-835-X. The book published in 2003. (Photo attached)I joined in the discussion only because of by seeing the similarity and colour of the scanned image of printed book by nura.Nura, try to get the ISBN. Quote Link to comment Share on other sites More sharing options...
nura100 Posted September 30, 2005 Report Share Posted September 30, 2005 Dear BPBYes, i have seen, infact gone thru this BPB book recently,Checked out all the Schematics but did not Purchase this particular title because there was nothing New in this one, all the Schematics were already Present in GT Publications, its first Edition (Vol 2) came out in 2000 & first Vol in 1998 Quote Link to comment Share on other sites More sharing options...
nura100 Posted September 30, 2005 Report Share Posted September 30, 2005 BPBIf i am not wrong, the Last schematic in this (BPB) manual is "how to connect LCD /LED display to any inverter's indications", which Gives Messages like A C- O N ,DC- ON, LB, OL there are only 4 (2 + 2) 7 segment LED displays used Quote Link to comment Share on other sites More sharing options...
audioguru Posted September 30, 2005 Report Share Posted September 30, 2005 Hi Nura,Maybe great minds think the alike.When I was young, I designed an audio amp using my own idea of a "complementary darlington" pair for each output transistor. I built it and it worked much better than other amps of that time. A few months later, my circuit was shown by somebody else in Radio-Electronics magazine, claiming that it was his invention. At that time, I never heard of the true inventer, Sziklai. :) Quote Link to comment Share on other sites More sharing options...
bpb Posted September 30, 2005 Report Share Posted September 30, 2005 :oearly version got nothing to claim, and the latest author got ISBN no.Did any one specifyed any COURTESY to some one in those books? Nura, you are telling you are a manufacturer of Inverters, using the technical part of these books. Did you printed any COURTESY note on your product ?Can you give me a distinction between a Manufacturer and a Duplicator? ::)My COURTESY to Philips they made and discontinued such a fentastic IC- SG3524 Quote Link to comment Share on other sites More sharing options...
audioguru Posted September 30, 2005 Report Share Posted September 30, 2005 My COURTESY to Philips they made and discontinued such a fentastic IC- SG3524.Who copied whom?Which came 1st, the Philips one (or was it ST?), or Texas Instruments' TL494? ??? ???National, Motorola and Fairchild also had their own.They're all about the same. Quote Link to comment Share on other sites More sharing options...
bpb Posted September 30, 2005 Report Share Posted September 30, 2005 Where is our moderator? :P Quote Link to comment Share on other sites More sharing options...
bpb Posted September 30, 2005 Report Share Posted September 30, 2005 Audioguru,In my knowledge it was philips introduce (1994) it with internal transistors :) Quote Link to comment Share on other sites More sharing options...
audioguru Posted September 30, 2005 Report Share Posted September 30, 2005 The bags were for BS, weren't they? ;D Quote Link to comment Share on other sites More sharing options...
ante Posted September 30, 2005 Report Share Posted September 30, 2005 Yes, I can supply some bags, but I am not sure who to give em to! ???Where there is smoke there is usually some fire! Quote Link to comment Share on other sites More sharing options...
MP Posted October 1, 2005 Report Share Posted October 1, 2005 Where is our moderator? Quote Link to comment Share on other sites More sharing options...
bpb Posted October 1, 2005 Report Share Posted October 1, 2005 MP, Can you ask Sasi, to explain some more details of this project. :) Quote Link to comment Share on other sites More sharing options...
audioguru Posted October 1, 2005 Report Share Posted October 1, 2005 Aren't we way off the topic? Where's the sine wave? ??? Quote Link to comment Share on other sites More sharing options...
aakaash Posted October 1, 2005 Report Share Posted October 1, 2005 Hello Forum! :)we Make inverters based on these shematics. we also sell Complete Inverter Modules (PCBs) for Rs.500 ($11) in open market. Quote Link to comment Share on other sites More sharing options...
nura100 Posted October 1, 2005 Report Share Posted October 1, 2005 Dear Akash,Yes, We have a circuit for running CFL from 12 V, it costs Rs.150, its a double transistor Push-Pull type oscillator, you can run 5W-36W, 2 Pin or 4 Pin CFL on it, we make this circuits for small vendors(Ice cream sellers,Pan shops, STD Booths etc) who don't have mains supply.A note to Moderator(MP) Quote Link to comment Share on other sites More sharing options...
nura100 Posted October 1, 2005 Report Share Posted October 1, 2005 i think we should take a break ! :DEnough of Circuit Talk Quote Link to comment Share on other sites More sharing options...
audioguru Posted October 1, 2005 Report Share Posted October 1, 2005 You ain't going to see a pic of me!I look something like your pic of Einstein, except about 20 or 30 years younger. ;D Quote Link to comment Share on other sites More sharing options...
ante Posted October 1, 2005 Report Share Posted October 1, 2005 It’s that bad is it? ;D Quote Link to comment Share on other sites More sharing options...
MP Posted October 1, 2005 Report Share Posted October 1, 2005 audioguru is correct that the topic has changed a bit, but I do not think one can speak of one type of inverter without the others cropping into the discussion. Sasi, if you feel prompted to discuss your design, please feel free to do so.MP Quote Link to comment Share on other sites More sharing options...
aakaash Posted October 2, 2005 Report Share Posted October 2, 2005 [Yes, We have a circuit for running CFL from 12 V, it costs Rs.150, ]Hi,Prof.Nura100Thanx for reply.Plz give me ur email id or preferably mobile nmbr.I hv cn such ckts in electrcl shops ; bt i wnto discuss with u abt it also.Aakaash Quote Link to comment Share on other sites More sharing options...
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